Home / 108,029.22-149,080.35-60,282.53

Finding the Fourth Proportional to 108,029.22, 149,080.35 and 60,282.53

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Solution

The fourth proportional to 108,029.22, 149,080.35 and 60,282.53 is: 83,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,029.22 : 149,080.35 = 60,282.53 : x
  2. Step 2: Convert to fraction form
    108,029.22/149,080.35 = 60,282.53/x
  3. Step 3: Cross multiply
    108,029.22x = 149,080.35 × 60,282.53
  4. Step 4: Simplify right side
    108,029.22x = 8,986,940,371.91
  5. Step 5: Solve for x
    x = 8,986,940,371.91/108,029.22
  6. Step 6: Final answer
    x = 83,189.90

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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.