Home / 99,442.24-149,118.72-29,296.96

Finding the Fourth Proportional to 99,442.24, 149,118.72 and 29,296.96

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Solution

The fourth proportional to 99,442.24, 149,118.72 and 29,296.96 is: 43,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.24 : 149,118.72 = 29,296.96 : x
  2. Step 2: Convert to fraction form
    99,442.24/149,118.72 = 29,296.96/x
  3. Step 3: Cross multiply
    99,442.24x = 149,118.72 × 29,296.96
  4. Step 4: Simplify right side
    99,442.24x = 4,368,725,175.09
  5. Step 5: Solve for x
    x = 4,368,725,175.09/99,442.24
  6. Step 6: Final answer
    x = 43,932.29

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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.