Home / 99,946.68-149,961.57-43,757.85

Finding the Fourth Proportional to 99,946.68, 149,961.57 and 43,757.85

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Solution

The fourth proportional to 99,946.68, 149,961.57 and 43,757.85 is: 65,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.68 : 149,961.57 = 43,757.85 : x
  2. Step 2: Convert to fraction form
    99,946.68/149,961.57 = 43,757.85/x
  3. Step 3: Cross multiply
    99,946.68x = 149,961.57 × 43,757.85
  4. Step 4: Simplify right side
    99,946.68x = 6,561,995,885.82
  5. Step 5: Solve for x
    x = 6,561,995,885.82/99,946.68
  6. Step 6: Final answer
    x = 65,654.97

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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.