Home / 148,757.22-223,143.01-48,915.21

Finding the Fourth Proportional to 148,757.22, 223,143.01 and 48,915.21

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Solution

The fourth proportional to 148,757.22, 223,143.01 and 48,915.21 is: 73,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,757.22 : 223,143.01 = 48,915.21 : x
  2. Step 2: Convert to fraction form
    148,757.22/223,143.01 = 48,915.21/x
  3. Step 3: Cross multiply
    148,757.22x = 223,143.01 × 48,915.21
  4. Step 4: Simplify right side
    148,757.22x = 10,915,087,194.18
  5. Step 5: Solve for x
    x = 10,915,087,194.18/148,757.22
  6. Step 6: Final answer
    x = 73,375.18

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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.