Home / 153,142.17-229,724.18-40,821.79

Finding the Fourth Proportional to 153,142.17, 229,724.18 and 40,821.79

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Solution

The fourth proportional to 153,142.17, 229,724.18 and 40,821.79 is: 61,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,142.17 : 229,724.18 = 40,821.79 : x
  2. Step 2: Convert to fraction form
    153,142.17/229,724.18 = 40,821.79/x
  3. Step 3: Cross multiply
    153,142.17x = 229,724.18 × 40,821.79
  4. Step 4: Simplify right side
    153,142.17x = 9,377,752,233.88
  5. Step 5: Solve for x
    x = 9,377,752,233.88/153,142.17
  6. Step 6: Final answer
    x = 61,235.60

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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.