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Finding the Fourth Proportional to 83,073.60, 124,610.40 and 73,888.20

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Solution

The fourth proportional to 83,073.60, 124,610.40 and 73,888.20 is: 110,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,073.60 : 124,610.40 = 73,888.20 : x
  2. Step 2: Convert to fraction form
    83,073.60/124,610.40 = 73,888.20/x
  3. Step 3: Cross multiply
    83,073.60x = 124,610.40 × 73,888.20
  4. Step 4: Simplify right side
    83,073.60x = 9,207,238,157.28
  5. Step 5: Solve for x
    x = 9,207,238,157.28/83,073.60
  6. Step 6: Final answer
    x = 110,832.30

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