Home / 238,717.50-329,438.43-131,295.66

Finding the Fourth Proportional to 238,717.50, 329,438.43 and 131,295.66

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Solution

The fourth proportional to 238,717.50, 329,438.43 and 131,295.66 is: 181,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,717.50 : 329,438.43 = 131,295.66 : x
  2. Step 2: Convert to fraction form
    238,717.50/329,438.43 = 131,295.66/x
  3. Step 3: Cross multiply
    238,717.50x = 329,438.43 × 131,295.66
  4. Step 4: Simplify right side
    238,717.50x = 43,253,836,096.21
  5. Step 5: Solve for x
    x = 43,253,836,096.21/238,717.50
  6. Step 6: Final answer
    x = 181,192.56

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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.