Home / 108,151.28-149,247.18-60,405.29

Finding the Fourth Proportional to 108,151.28, 149,247.18 and 60,405.29

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Solution

The fourth proportional to 108,151.28, 149,247.18 and 60,405.29 is: 83,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.28 : 149,247.18 = 60,405.29 : x
  2. Step 2: Convert to fraction form
    108,151.28/149,247.18 = 60,405.29/x
  3. Step 3: Cross multiply
    108,151.28x = 149,247.18 × 60,405.29
  4. Step 4: Simplify right side
    108,151.28x = 9,015,319,189.58
  5. Step 5: Solve for x
    x = 9,015,319,189.58/108,151.28
  6. Step 6: Final answer
    x = 83,358.41

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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.