Home / 127,240.80-190,472.40-99,247.20

Finding the Fourth Proportional to 127,240.80, 190,472.40 and 99,247.20

Calculator

Solution

The fourth proportional to 127,240.80, 190,472.40 and 99,247.20 is: 148,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.80 : 190,472.40 = 99,247.20 : x
  2. Step 2: Convert to fraction form
    127,240.80/190,472.40 = 99,247.20/x
  3. Step 3: Cross multiply
    127,240.80x = 190,472.40 × 99,247.20
  4. Step 4: Simplify right side
    127,240.80x = 18,903,852,377.28
  5. Step 5: Solve for x
    x = 18,903,852,377.28/127,240.80
  6. Step 6: Final answer
    x = 148,567.54

Related Problems

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.