Home / 124,805.20-172,262.13-71,122.06

Finding the Fourth Proportional to 124,805.20, 172,262.13 and 71,122.06

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Solution

The fourth proportional to 124,805.20, 172,262.13 and 71,122.06 is: 98,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805.20 : 172,262.13 = 71,122.06 : x
  2. Step 2: Convert to fraction form
    124,805.20/172,262.13 = 71,122.06/x
  3. Step 3: Cross multiply
    124,805.20x = 172,262.13 × 71,122.06
  4. Step 4: Simplify right side
    124,805.20x = 12,251,637,545.59
  5. Step 5: Solve for x
    x = 12,251,637,545.59/124,805.20
  6. Step 6: Final answer
    x = 98,166.08

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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.