Home / 152,762.28-229,234.14-82,640.04

Finding the Fourth Proportional to 152,762.28, 229,234.14 and 82,640.04

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Solution

The fourth proportional to 152,762.28, 229,234.14 and 82,640.04 is: 124,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,762.28 : 229,234.14 = 82,640.04 : x
  2. Step 2: Convert to fraction form
    152,762.28/229,234.14 = 82,640.04/x
  3. Step 3: Cross multiply
    152,762.28x = 229,234.14 × 82,640.04
  4. Step 4: Simplify right side
    152,762.28x = 18,943,918,498.97
  5. Step 5: Solve for x
    x = 18,943,918,498.97/152,762.28
  6. Step 6: Final answer
    x = 124,009.14

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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.