Home / 125,250.68-172,852.89-71,553.13

Finding the Fourth Proportional to 125,250.68, 172,852.89 and 71,553.13

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Solution

The fourth proportional to 125,250.68, 172,852.89 and 71,553.13 is: 98,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.68 : 172,852.89 = 71,553.13 : x
  2. Step 2: Convert to fraction form
    125,250.68/172,852.89 = 71,553.13/x
  3. Step 3: Cross multiply
    125,250.68x = 172,852.89 × 71,553.13
  4. Step 4: Simplify right side
    125,250.68x = 12,368,165,309.05
  5. Step 5: Solve for x
    x = 12,368,165,309.05/125,250.68
  6. Step 6: Final answer
    x = 98,747.29

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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.