Home / 99,003.12-148,470.12-39,823.44

Finding the Fourth Proportional to 99,003.12, 148,470.12 and 39,823.44

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Solution

The fourth proportional to 99,003.12, 148,470.12 and 39,823.44 is: 59,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003.12 : 148,470.12 = 39,823.44 : x
  2. Step 2: Convert to fraction form
    99,003.12/148,470.12 = 39,823.44/x
  3. Step 3: Cross multiply
    99,003.12x = 148,470.12 × 39,823.44
  4. Step 4: Simplify right side
    99,003.12x = 5,912,590,915.61
  5. Step 5: Solve for x
    x = 5,912,590,915.61/99,003.12
  6. Step 6: Final answer
    x = 59,721.26

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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.