Home / 99,310.75-148,919.23-36,086.26

Finding the Fourth Proportional to 99,310.75, 148,919.23 and 36,086.26

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Solution

The fourth proportional to 99,310.75, 148,919.23 and 36,086.26 is: 54,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,310.75 : 148,919.23 = 36,086.26 : x
  2. Step 2: Convert to fraction form
    99,310.75/148,919.23 = 36,086.26/x
  3. Step 3: Cross multiply
    99,310.75x = 148,919.23 × 36,086.26
  4. Step 4: Simplify right side
    99,310.75x = 5,373,938,052.78
  5. Step 5: Solve for x
    x = 5,373,938,052.78/99,310.75
  6. Step 6: Final answer
    x = 54,112.35

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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.