Home / 121,380.13-182,070.19-38,274.13

Finding the Fourth Proportional to 121,380.13, 182,070.19 and 38,274.13

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Solution

The fourth proportional to 121,380.13, 182,070.19 and 38,274.13 is: 57,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,380.13 : 182,070.19 = 38,274.13 : x
  2. Step 2: Convert to fraction form
    121,380.13/182,070.19 = 38,274.13/x
  3. Step 3: Cross multiply
    121,380.13x = 182,070.19 × 38,274.13
  4. Step 4: Simplify right side
    121,380.13x = 6,968,577,115.15
  5. Step 5: Solve for x
    x = 6,968,577,115.15/121,380.13
  6. Step 6: Final answer
    x = 57,411.19

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Similar ratio
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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.