Home / 99,961.85-149,984.46-43,842.29

Finding the Fourth Proportional to 99,961.85, 149,984.46 and 43,842.29

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Solution

The fourth proportional to 99,961.85, 149,984.46 and 43,842.29 is: 65,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961.85 : 149,984.46 = 43,842.29 : x
  2. Step 2: Convert to fraction form
    99,961.85/149,984.46 = 43,842.29/x
  3. Step 3: Cross multiply
    99,961.85x = 149,984.46 × 43,842.29
  4. Step 4: Simplify right side
    99,961.85x = 6,575,661,440.89
  5. Step 5: Solve for x
    x = 6,575,661,440.89/99,961.85
  6. Step 6: Final answer
    x = 65,781.71

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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.