Home / 99,708.55-149,591.09-40,586.65

Finding the Fourth Proportional to 99,708.55, 149,591.09 and 40,586.65

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Solution

The fourth proportional to 99,708.55, 149,591.09 and 40,586.65 is: 60,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708.55 : 149,591.09 = 40,586.65 : x
  2. Step 2: Convert to fraction form
    99,708.55/149,591.09 = 40,586.65/x
  3. Step 3: Cross multiply
    99,708.55x = 149,591.09 × 40,586.65
  4. Step 4: Simplify right side
    99,708.55x = 6,071,401,212.95
  5. Step 5: Solve for x
    x = 6,071,401,212.95/99,708.55
  6. Step 6: Final answer
    x = 60,891.48

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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.