Home / 239,084.50-329,938.76-131,654.96

Finding the Fourth Proportional to 239,084.50, 329,938.76 and 131,654.96

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Solution

The fourth proportional to 239,084.50, 329,938.76 and 131,654.96 is: 181,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,084.50 : 329,938.76 = 131,654.96 : x
  2. Step 2: Convert to fraction form
    239,084.50/329,938.76 = 131,654.96/x
  3. Step 3: Cross multiply
    239,084.50x = 329,938.76 × 131,654.96
  4. Step 4: Simplify right side
    239,084.50x = 43,438,074,250.25
  5. Step 5: Solve for x
    x = 43,438,074,250.25/239,084.50
  6. Step 6: Final answer
    x = 181,685.03

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1.5x scale

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.