Home / 187,787.28-281,484.08-69,383.10

Finding the Fourth Proportional to 187,787.28, 281,484.08 and 69,383.10

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Solution

The fourth proportional to 187,787.28, 281,484.08 and 69,383.10 is: 104,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,787.28 : 281,484.08 = 69,383.10 : x
  2. Step 2: Convert to fraction form
    187,787.28/281,484.08 = 69,383.10/x
  3. Step 3: Cross multiply
    187,787.28x = 281,484.08 × 69,383.10
  4. Step 4: Simplify right side
    187,787.28x = 19,530,236,957.57
  5. Step 5: Solve for x
    x = 19,530,236,957.57/187,787.28
  6. Step 6: Final answer
    x = 104,001.92

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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.