Home / 104,728.79-156,951.54-75,081.17

Finding the Fourth Proportional to 104,728.79, 156,951.54 and 75,081.17

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Solution

The fourth proportional to 104,728.79, 156,951.54 and 75,081.17 is: 112,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.79 : 156,951.54 = 75,081.17 : x
  2. Step 2: Convert to fraction form
    104,728.79/156,951.54 = 75,081.17/x
  3. Step 3: Cross multiply
    104,728.79x = 156,951.54 × 75,081.17
  4. Step 4: Simplify right side
    104,728.79x = 11,784,105,648.88
  5. Step 5: Solve for x
    x = 11,784,105,648.88/104,728.79
  6. Step 6: Final answer
    x = 112,520.21

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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.