Home / 99,976.92-149,965.56-29,850.72

Finding the Fourth Proportional to 99,976.92, 149,965.56 and 29,850.72

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Solution

The fourth proportional to 99,976.92, 149,965.56 and 29,850.72 is: 44,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,976.92 : 149,965.56 = 29,850.72 : x
  2. Step 2: Convert to fraction form
    99,976.92/149,965.56 = 29,850.72/x
  3. Step 3: Cross multiply
    99,976.92x = 149,965.56 × 29,850.72
  4. Step 4: Simplify right side
    99,976.92x = 4,476,579,941.20
  5. Step 5: Solve for x
    x = 4,476,579,941.20/99,976.92
  6. Step 6: Final answer
    x = 44,776.13

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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.