Home / 160,274-240,411-43,538

Finding the Fourth Proportional to 160,274, 240,411 and 43,538

Calculator

Solution

The fourth proportional to 160,274, 240,411 and 43,538 is: 65,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,274 : 240,411 = 43,538 : x
  2. Step 2: Convert to fraction form
    160,274/240,411 = 43,538/x
  3. Step 3: Cross multiply
    160,274x = 240,411 × 43,538
  4. Step 4: Simplify right side
    160,274x = 10,467,014,118
  5. Step 5: Solve for x
    x = 10,467,014,118/160,274
  6. Step 6: Final answer
    x = 65,307

Related Problems

Find fourth proportional to 80,137, 120,205.50 and 21,769
Half scale
Find fourth proportional to 320,548, 480,822 and 87,076
Double scale
Find fourth proportional to 160,275, 240,412.50 and 43,539
Similar ratio
Find fourth proportional to 240,411, 360,616.50 and 65,307
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.