Home / 159,126.48-219,600.18-87,512.04

Finding the Fourth Proportional to 159,126.48, 219,600.18 and 87,512.04

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Solution

The fourth proportional to 159,126.48, 219,600.18 and 87,512.04 is: 120,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,126.48 : 219,600.18 = 87,512.04 : x
  2. Step 2: Convert to fraction form
    159,126.48/219,600.18 = 87,512.04/x
  3. Step 3: Cross multiply
    159,126.48x = 219,600.18 × 87,512.04
  4. Step 4: Simplify right side
    159,126.48x = 19,217,659,736.17
  5. Step 5: Solve for x
    x = 19,217,659,736.17/159,126.48
  6. Step 6: Final answer
    x = 120,769.72

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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.