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Finding the Fourth Proportional to 99,913.26, 149,866.42 and 25,034.04

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Solution

The fourth proportional to 99,913.26, 149,866.42 and 25,034.04 is: 37,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,913.26 : 149,866.42 = 25,034.04 : x
  2. Step 2: Convert to fraction form
    99,913.26/149,866.42 = 25,034.04/x
  3. Step 3: Cross multiply
    99,913.26x = 149,866.42 × 25,034.04
  4. Step 4: Simplify right side
    99,913.26x = 3,751,761,952.94
  5. Step 5: Solve for x
    x = 3,751,761,952.94/99,913.26
  6. Step 6: Final answer
    x = 37,550.19

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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.