Home / 154,780.32-232,092.72-71,732.64

Finding the Fourth Proportional to 154,780.32, 232,092.72 and 71,732.64

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Solution

The fourth proportional to 154,780.32, 232,092.72 and 71,732.64 is: 107,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,780.32 : 232,092.72 = 71,732.64 : x
  2. Step 2: Convert to fraction form
    154,780.32/232,092.72 = 71,732.64/x
  3. Step 3: Cross multiply
    154,780.32x = 232,092.72 × 71,732.64
  4. Step 4: Simplify right side
    154,780.32x = 16,648,623,530.38
  5. Step 5: Solve for x
    x = 16,648,623,530.38/154,780.32
  6. Step 6: Final answer
    x = 107,562.92

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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.