Home / 153,120.28-229,679.91-39,267.97

Finding the Fourth Proportional to 153,120.28, 229,679.91 and 39,267.97

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Solution

The fourth proportional to 153,120.28, 229,679.91 and 39,267.97 is: 58,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,120.28 : 229,679.91 = 39,267.97 : x
  2. Step 2: Convert to fraction form
    153,120.28/229,679.91 = 39,267.97/x
  3. Step 3: Cross multiply
    153,120.28x = 229,679.91 × 39,267.97
  4. Step 4: Simplify right side
    153,120.28x = 9,019,063,815.48
  5. Step 5: Solve for x
    x = 9,019,063,815.48/153,120.28
  6. Step 6: Final answer
    x = 58,901.82

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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.