Home / 187,787.36-281,484.20-69,383.18

Finding the Fourth Proportional to 187,787.36, 281,484.20 and 69,383.18

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Solution

The fourth proportional to 187,787.36, 281,484.20 and 69,383.18 is: 104,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,787.36 : 281,484.20 = 69,383.18 : x
  2. Step 2: Convert to fraction form
    187,787.36/281,484.20 = 69,383.18/x
  3. Step 3: Cross multiply
    187,787.36x = 281,484.20 × 69,383.18
  4. Step 4: Simplify right side
    187,787.36x = 19,530,267,508.34
  5. Step 5: Solve for x
    x = 19,530,267,508.34/187,787.36
  6. Step 6: Final answer
    x = 104,002.04

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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.