Home / 113,020.90-169,531.31-88,079.60

Finding the Fourth Proportional to 113,020.90, 169,531.31 and 88,079.60

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Solution

The fourth proportional to 113,020.90, 169,531.31 and 88,079.60 is: 132,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,020.90 : 169,531.31 = 88,079.60 : x
  2. Step 2: Convert to fraction form
    113,020.90/169,531.31 = 88,079.60/x
  3. Step 3: Cross multiply
    113,020.90x = 169,531.31 × 88,079.60
  4. Step 4: Simplify right side
    113,020.90x = 14,932,250,616.30
  5. Step 5: Solve for x
    x = 14,932,250,616.30/113,020.90
  6. Step 6: Final answer
    x = 132,119.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.