Home / 156,100.02-215,419.62-84,481.57

Finding the Fourth Proportional to 156,100.02, 215,419.62 and 84,481.57

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Solution

The fourth proportional to 156,100.02, 215,419.62 and 84,481.57 is: 116,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,100.02 : 215,419.62 = 84,481.57 : x
  2. Step 2: Convert to fraction form
    156,100.02/215,419.62 = 84,481.57/x
  3. Step 3: Cross multiply
    156,100.02x = 215,419.62 × 84,481.57
  4. Step 4: Simplify right side
    156,100.02x = 18,198,987,706.40
  5. Step 5: Solve for x
    x = 18,198,987,706.40/156,100.02
  6. Step 6: Final answer
    x = 116,585.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.