Home / 131,869.26-197,836.56-38,375.28

Finding the Fourth Proportional to 131,869.26, 197,836.56 and 38,375.28

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Solution

The fourth proportional to 131,869.26, 197,836.56 and 38,375.28 is: 57,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,869.26 : 197,836.56 = 38,375.28 : x
  2. Step 2: Convert to fraction form
    131,869.26/197,836.56 = 38,375.28/x
  3. Step 3: Cross multiply
    131,869.26x = 197,836.56 × 38,375.28
  4. Step 4: Simplify right side
    131,869.26x = 7,592,033,384.24
  5. Step 5: Solve for x
    x = 7,592,033,384.24/131,869.26
  6. Step 6: Final answer
    x = 57,572.43

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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.