Home / 239,111.84-329,961.71-137,132.03

Finding the Fourth Proportional to 239,111.84, 329,961.71 and 137,132.03

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Solution

The fourth proportional to 239,111.84, 329,961.71 and 137,132.03 is: 189,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,111.84 : 329,961.71 = 137,132.03 : x
  2. Step 2: Convert to fraction form
    239,111.84/329,961.71 = 137,132.03/x
  3. Step 3: Cross multiply
    239,111.84x = 329,961.71 × 137,132.03
  4. Step 4: Simplify right side
    239,111.84x = 45,248,318,428.91
  5. Step 5: Solve for x
    x = 45,248,318,428.91/239,111.84
  6. Step 6: Final answer
    x = 189,234.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.