Home / 152,972.20-229,234.20-137,177.20

Finding the Fourth Proportional to 152,972.20, 229,234.20 and 137,177.20

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Solution

The fourth proportional to 152,972.20, 229,234.20 and 137,177.20 is: 205,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,972.20 : 229,234.20 = 137,177.20 : x
  2. Step 2: Convert to fraction form
    152,972.20/229,234.20 = 137,177.20/x
  3. Step 3: Cross multiply
    152,972.20x = 229,234.20 × 137,177.20
  4. Step 4: Simplify right side
    152,972.20x = 31,445,705,700.24
  5. Step 5: Solve for x
    x = 31,445,705,700.24/152,972.20
  6. Step 6: Final answer
    x = 205,564.84

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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.