Home / 99,964.71-149,970.78-29,845.85

Finding the Fourth Proportional to 99,964.71, 149,970.78 and 29,845.85

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Solution

The fourth proportional to 99,964.71, 149,970.78 and 29,845.85 is: 44,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.71 : 149,970.78 = 29,845.85 : x
  2. Step 2: Convert to fraction form
    99,964.71/149,970.78 = 29,845.85/x
  3. Step 3: Cross multiply
    99,964.71x = 149,970.78 × 29,845.85
  4. Step 4: Simplify right side
    99,964.71x = 4,476,004,654.41
  5. Step 5: Solve for x
    x = 4,476,004,654.41/99,964.71
  6. Step 6: Final answer
    x = 44,775.85

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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.