Home / 83,425.49-125,137.17-20,246.13

Finding the Fourth Proportional to 83,425.49, 125,137.17 and 20,246.13

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Solution

The fourth proportional to 83,425.49, 125,137.17 and 20,246.13 is: 30,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.49 : 125,137.17 = 20,246.13 : x
  2. Step 2: Convert to fraction form
    83,425.49/125,137.17 = 20,246.13/x
  3. Step 3: Cross multiply
    83,425.49x = 125,137.17 × 20,246.13
  4. Step 4: Simplify right side
    83,425.49x = 2,533,543,411.65
  5. Step 5: Solve for x
    x = 2,533,543,411.65/83,425.49
  6. Step 6: Final answer
    x = 30,368.94

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Double scale
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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.