Home / 108,729.22-150,047.38-60,981.56

Finding the Fourth Proportional to 108,729.22, 150,047.38 and 60,981.56

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Solution

The fourth proportional to 108,729.22, 150,047.38 and 60,981.56 is: 84,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.22 : 150,047.38 = 60,981.56 : x
  2. Step 2: Convert to fraction form
    108,729.22/150,047.38 = 60,981.56/x
  3. Step 3: Cross multiply
    108,729.22x = 150,047.38 × 60,981.56
  4. Step 4: Simplify right side
    108,729.22x = 9,150,123,306.31
  5. Step 5: Solve for x
    x = 9,150,123,306.31/108,729.22
  6. Step 6: Final answer
    x = 84,155.15

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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.