Home / 125,320.59-172,951.56-71,604.45

Finding the Fourth Proportional to 125,320.59, 172,951.56 and 71,604.45

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Solution

The fourth proportional to 125,320.59, 172,951.56 and 71,604.45 is: 98,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,320.59 : 172,951.56 = 71,604.45 : x
  2. Step 2: Convert to fraction form
    125,320.59/172,951.56 = 71,604.45/x
  3. Step 3: Cross multiply
    125,320.59x = 172,951.56 × 71,604.45
  4. Step 4: Simplify right side
    125,320.59x = 12,384,101,330.44
  5. Step 5: Solve for x
    x = 12,384,101,330.44/125,320.59
  6. Step 6: Final answer
    x = 98,819.37

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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.