Home / 131,508.64-197,287.71-42,787.52

Finding the Fourth Proportional to 131,508.64, 197,287.71 and 42,787.52

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Solution

The fourth proportional to 131,508.64, 197,287.71 and 42,787.52 is: 64,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.64 : 197,287.71 = 42,787.52 : x
  2. Step 2: Convert to fraction form
    131,508.64/197,287.71 = 42,787.52/x
  3. Step 3: Cross multiply
    131,508.64x = 197,287.71 × 42,787.52
  4. Step 4: Simplify right side
    131,508.64x = 8,441,451,837.38
  5. Step 5: Solve for x
    x = 8,441,451,837.38/131,508.64
  6. Step 6: Final answer
    x = 64,189.33

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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.