Home / 98,717.67-148,098.38-54,321.57

Finding the Fourth Proportional to 98,717.67, 148,098.38 and 54,321.57

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Solution

The fourth proportional to 98,717.67, 148,098.38 and 54,321.57 is: 81,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.67 : 148,098.38 = 54,321.57 : x
  2. Step 2: Convert to fraction form
    98,717.67/148,098.38 = 54,321.57/x
  3. Step 3: Cross multiply
    98,717.67x = 148,098.38 × 54,321.57
  4. Step 4: Simplify right side
    98,717.67x = 8,044,936,244.45
  5. Step 5: Solve for x
    x = 8,044,936,244.45/98,717.67
  6. Step 6: Final answer
    x = 81,494.39

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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.