Home / 83,431.48-125,146.17-20,252.13

Finding the Fourth Proportional to 83,431.48, 125,146.17 and 20,252.13

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Solution

The fourth proportional to 83,431.48, 125,146.17 and 20,252.13 is: 30,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,431.48 : 125,146.17 = 20,252.13 : x
  2. Step 2: Convert to fraction form
    83,431.48/125,146.17 = 20,252.13/x
  3. Step 3: Cross multiply
    83,431.48x = 125,146.17 × 20,252.13
  4. Step 4: Simplify right side
    83,431.48x = 2,534,476,503.84
  5. Step 5: Solve for x
    x = 2,534,476,503.84/83,431.48
  6. Step 6: Final answer
    x = 30,377.94

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1.5x scale

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.