Home / 108,680.74-149,974.15-60,284.60

Finding the Fourth Proportional to 108,680.74, 149,974.15 and 60,284.60

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Solution

The fourth proportional to 108,680.74, 149,974.15 and 60,284.60 is: 83,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.74 : 149,974.15 = 60,284.60 : x
  2. Step 2: Convert to fraction form
    108,680.74/149,974.15 = 60,284.60/x
  3. Step 3: Cross multiply
    108,680.74x = 149,974.15 × 60,284.60
  4. Step 4: Simplify right side
    108,680.74x = 9,041,131,439.66
  5. Step 5: Solve for x
    x = 9,041,131,439.66/108,680.74
  6. Step 6: Final answer
    x = 83,189.82

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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.