Home / 108,431.15-149,621.74-60,029.42

Finding the Fourth Proportional to 108,431.15, 149,621.74 and 60,029.42

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Solution

The fourth proportional to 108,431.15, 149,621.74 and 60,029.42 is: 82,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.15 : 149,621.74 = 60,029.42 : x
  2. Step 2: Convert to fraction form
    108,431.15/149,621.74 = 60,029.42/x
  3. Step 3: Cross multiply
    108,431.15x = 149,621.74 × 60,029.42
  4. Step 4: Simplify right side
    108,431.15x = 8,981,705,373.41
  5. Step 5: Solve for x
    x = 8,981,705,373.41/108,431.15
  6. Step 6: Final answer
    x = 82,833.26

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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.