Home / 125,151.29-187,725.21-30,382.20

Finding the Fourth Proportional to 125,151.29, 187,725.21 and 30,382.20

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Solution

The fourth proportional to 125,151.29, 187,725.21 and 30,382.20 is: 45,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,151.29 : 187,725.21 = 30,382.20 : x
  2. Step 2: Convert to fraction form
    125,151.29/187,725.21 = 30,382.20/x
  3. Step 3: Cross multiply
    125,151.29x = 187,725.21 × 30,382.20
  4. Step 4: Simplify right side
    125,151.29x = 5,703,504,875.26
  5. Step 5: Solve for x
    x = 5,703,504,875.26/125,151.29
  6. Step 6: Final answer
    x = 45,572.88

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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.