Home / 108,198.29-149,310.59-60,451.64

Finding the Fourth Proportional to 108,198.29, 149,310.59 and 60,451.64

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Solution

The fourth proportional to 108,198.29, 149,310.59 and 60,451.64 is: 83,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,198.29 : 149,310.59 = 60,451.64 : x
  2. Step 2: Convert to fraction form
    108,198.29/149,310.59 = 60,451.64/x
  3. Step 3: Cross multiply
    108,198.29x = 149,310.59 × 60,451.64
  4. Step 4: Simplify right side
    108,198.29x = 9,026,070,305.95
  5. Step 5: Solve for x
    x = 9,026,070,305.95/108,198.29
  6. Step 6: Final answer
    x = 83,421.56

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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.