Home / 98,917.29-148,524.17-85,631.27

Finding the Fourth Proportional to 98,917.29, 148,524.17 and 85,631.27

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Solution

The fourth proportional to 98,917.29, 148,524.17 and 85,631.27 is: 128,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,917.29 : 148,524.17 = 85,631.27 : x
  2. Step 2: Convert to fraction form
    98,917.29/148,524.17 = 85,631.27/x
  3. Step 3: Cross multiply
    98,917.29x = 148,524.17 × 85,631.27
  4. Step 4: Simplify right side
    98,917.29x = 12,718,312,132.02
  5. Step 5: Solve for x
    x = 12,718,312,132.02/98,917.29
  6. Step 6: Final answer
    x = 128,575.22

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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.