Home / 99,949.35-149,949.96-29,828.64

Finding the Fourth Proportional to 99,949.35, 149,949.96 and 29,828.64

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Solution

The fourth proportional to 99,949.35, 149,949.96 and 29,828.64 is: 44,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,949.35 : 149,949.96 = 29,828.64 : x
  2. Step 2: Convert to fraction form
    99,949.35/149,949.96 = 29,828.64/x
  3. Step 3: Cross multiply
    99,949.35x = 149,949.96 × 29,828.64
  4. Step 4: Simplify right side
    99,949.35x = 4,472,803,374.85
  5. Step 5: Solve for x
    x = 4,472,803,374.85/99,949.35
  6. Step 6: Final answer
    x = 44,750.70

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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.