Home / 98,499.26-147,761.66-45,178.38

Finding the Fourth Proportional to 98,499.26, 147,761.66 and 45,178.38

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Solution

The fourth proportional to 98,499.26, 147,761.66 and 45,178.38 is: 67,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,499.26 : 147,761.66 = 45,178.38 : x
  2. Step 2: Convert to fraction form
    98,499.26/147,761.66 = 45,178.38/x
  3. Step 3: Cross multiply
    98,499.26x = 147,761.66 × 45,178.38
  4. Step 4: Simplify right side
    98,499.26x = 6,675,632,537.86
  5. Step 5: Solve for x
    x = 6,675,632,537.86/98,499.26
  6. Step 6: Final answer
    x = 67,773.43

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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.