Home / 99,706.20-149,499.06-39,743.94

Finding the Fourth Proportional to 99,706.20, 149,499.06 and 39,743.94

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Solution

The fourth proportional to 99,706.20, 149,499.06 and 39,743.94 is: 59,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,706.20 : 149,499.06 = 39,743.94 : x
  2. Step 2: Convert to fraction form
    99,706.20/149,499.06 = 39,743.94/x
  3. Step 3: Cross multiply
    99,706.20x = 149,499.06 × 39,743.94
  4. Step 4: Simplify right side
    99,706.20x = 5,941,681,670.70
  5. Step 5: Solve for x
    x = 5,941,681,670.70/99,706.20
  6. Step 6: Final answer
    x = 59,591.90

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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.