Home / 240,378.76-360,415.50-127,989.64

Finding the Fourth Proportional to 240,378.76, 360,415.50 and 127,989.64

Calculator

Solution

The fourth proportional to 240,378.76, 360,415.50 and 127,989.64 is: 191,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,378.76 : 360,415.50 = 127,989.64 : x
  2. Step 2: Convert to fraction form
    240,378.76/360,415.50 = 127,989.64/x
  3. Step 3: Cross multiply
    240,378.76x = 360,415.50 × 127,989.64
  4. Step 4: Simplify right side
    240,378.76x = 46,129,450,095.42
  5. Step 5: Solve for x
    x = 46,129,450,095.42/240,378.76
  6. Step 6: Final answer
    x = 191,903.19

Related Problems

Find fourth proportional to 120,189.38, 180,207.75 and 63,994.82
Half scale
Find fourth proportional to 480,757.52, 720,831 and 255,979.28
Double scale
Find fourth proportional to 240,379.76, 360,417 and 127,990.64
Similar ratio
Find fourth proportional to 360,568.14, 540,623.25 and 191,984.46
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.