Home / 98,920.38-148,387.42-39,756.10

Finding the Fourth Proportional to 98,920.38, 148,387.42 and 39,756.10

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Solution

The fourth proportional to 98,920.38, 148,387.42 and 39,756.10 is: 59,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,920.38 : 148,387.42 = 39,756.10 : x
  2. Step 2: Convert to fraction form
    98,920.38/148,387.42 = 39,756.10/x
  3. Step 3: Cross multiply
    98,920.38x = 148,387.42 × 39,756.10
  4. Step 4: Simplify right side
    98,920.38x = 5,899,305,108.26
  5. Step 5: Solve for x
    x = 5,899,305,108.26/98,920.38
  6. Step 6: Final answer
    x = 59,636.90

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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.