Home / 99,229.60-148,868.40-29,111.20

Finding the Fourth Proportional to 99,229.60, 148,868.40 and 29,111.20

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Solution

The fourth proportional to 99,229.60, 148,868.40 and 29,111.20 is: 43,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.60 : 148,868.40 = 29,111.20 : x
  2. Step 2: Convert to fraction form
    99,229.60/148,868.40 = 29,111.20/x
  3. Step 3: Cross multiply
    99,229.60x = 148,868.40 × 29,111.20
  4. Step 4: Simplify right side
    99,229.60x = 4,333,737,766.08
  5. Step 5: Solve for x
    x = 4,333,737,766.08/99,229.60
  6. Step 6: Final answer
    x = 43,673.84

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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.