Home / 156,253.02-215,487.44-102,517.62

Finding the Fourth Proportional to 156,253.02, 215,487.44 and 102,517.62

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Solution

The fourth proportional to 156,253.02, 215,487.44 and 102,517.62 is: 141,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,253.02 : 215,487.44 = 102,517.62 : x
  2. Step 2: Convert to fraction form
    156,253.02/215,487.44 = 102,517.62/x
  3. Step 3: Cross multiply
    156,253.02x = 215,487.44 × 102,517.62
  4. Step 4: Simplify right side
    156,253.02x = 22,091,258,976.10
  5. Step 5: Solve for x
    x = 22,091,258,976.10/156,253.02
  6. Step 6: Final answer
    x = 141,381.32

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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.