Home / 239,001.50-329,747.64-135,618.57

Finding the Fourth Proportional to 239,001.50, 329,747.64 and 135,618.57

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Solution

The fourth proportional to 239,001.50, 329,747.64 and 135,618.57 is: 187,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,001.50 : 329,747.64 = 135,618.57 : x
  2. Step 2: Convert to fraction form
    239,001.50/329,747.64 = 135,618.57/x
  3. Step 3: Cross multiply
    239,001.50x = 329,747.64 × 135,618.57
  4. Step 4: Simplify right side
    239,001.50x = 44,719,903,397.67
  5. Step 5: Solve for x
    x = 44,719,903,397.67/239,001.50
  6. Step 6: Final answer
    x = 187,111.40

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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.