Home / 99,310.52-148,918.82-36,086.58

Finding the Fourth Proportional to 99,310.52, 148,918.82 and 36,086.58

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Solution

The fourth proportional to 99,310.52, 148,918.82 and 36,086.58 is: 54,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,310.52 : 148,918.82 = 36,086.58 : x
  2. Step 2: Convert to fraction form
    99,310.52/148,918.82 = 36,086.58/x
  3. Step 3: Cross multiply
    99,310.52x = 148,918.82 × 36,086.58
  4. Step 4: Simplify right side
    99,310.52x = 5,373,970,731.00
  5. Step 5: Solve for x
    x = 5,373,970,731.00/99,310.52
  6. Step 6: Final answer
    x = 54,112.81

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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.