Home / 108,231.29-149,356.69-60,489.08

Finding the Fourth Proportional to 108,231.29, 149,356.69 and 60,489.08

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Solution

The fourth proportional to 108,231.29, 149,356.69 and 60,489.08 is: 83,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,231.29 : 149,356.69 = 60,489.08 : x
  2. Step 2: Convert to fraction form
    108,231.29/149,356.69 = 60,489.08/x
  3. Step 3: Cross multiply
    108,231.29x = 149,356.69 × 60,489.08
  4. Step 4: Simplify right side
    108,231.29x = 9,034,448,023.16
  5. Step 5: Solve for x
    x = 9,034,448,023.16/108,231.29
  6. Step 6: Final answer
    x = 83,473.54

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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.