Home / 125,330.83-172,965.69-71,614.71

Finding the Fourth Proportional to 125,330.83, 172,965.69 and 71,614.71

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Solution

The fourth proportional to 125,330.83, 172,965.69 and 71,614.71 is: 98,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.83 : 172,965.69 = 71,614.71 : x
  2. Step 2: Convert to fraction form
    125,330.83/172,965.69 = 71,614.71/x
  3. Step 3: Cross multiply
    125,330.83x = 172,965.69 × 71,614.71
  4. Step 4: Simplify right side
    125,330.83x = 12,386,887,729.30
  5. Step 5: Solve for x
    x = 12,386,887,729.30/125,330.83
  6. Step 6: Final answer
    x = 98,833.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.