Home / 104,591.10-156,789.45-73,001.10

Finding the Fourth Proportional to 104,591.10, 156,789.45 and 73,001.10

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Solution

The fourth proportional to 104,591.10, 156,789.45 and 73,001.10 is: 109,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.10 : 156,789.45 = 73,001.10 : x
  2. Step 2: Convert to fraction form
    104,591.10/156,789.45 = 73,001.10/x
  3. Step 3: Cross multiply
    104,591.10x = 156,789.45 × 73,001.10
  4. Step 4: Simplify right side
    104,591.10x = 11,445,802,318.40
  5. Step 5: Solve for x
    x = 11,445,802,318.40/104,591.10
  6. Step 6: Final answer
    x = 109,433.81

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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.