Home / 153,046.10-229,569.15-82,187.30

Finding the Fourth Proportional to 153,046.10, 229,569.15 and 82,187.30

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Solution

The fourth proportional to 153,046.10, 229,569.15 and 82,187.30 is: 123,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.10 : 229,569.15 = 82,187.30 : x
  2. Step 2: Convert to fraction form
    153,046.10/229,569.15 = 82,187.30/x
  3. Step 3: Cross multiply
    153,046.10x = 229,569.15 × 82,187.30
  4. Step 4: Simplify right side
    153,046.10x = 18,867,668,601.80
  5. Step 5: Solve for x
    x = 18,867,668,601.80/153,046.10
  6. Step 6: Final answer
    x = 123,280.95

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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.