Home / 132,256.56-198,386.46-38,764.20

Finding the Fourth Proportional to 132,256.56, 198,386.46 and 38,764.20

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Solution

The fourth proportional to 132,256.56, 198,386.46 and 38,764.20 is: 58,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,256.56 : 198,386.46 = 38,764.20 : x
  2. Step 2: Convert to fraction form
    132,256.56/198,386.46 = 38,764.20/x
  3. Step 3: Cross multiply
    132,256.56x = 198,386.46 × 38,764.20
  4. Step 4: Simplify right side
    132,256.56x = 7,690,292,412.73
  5. Step 5: Solve for x
    x = 7,690,292,412.73/132,256.56
  6. Step 6: Final answer
    x = 58,146.77

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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.