Home / 149,040.30-223,560.45-49,215.90

Finding the Fourth Proportional to 149,040.30, 223,560.45 and 49,215.90

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Solution

The fourth proportional to 149,040.30, 223,560.45 and 49,215.90 is: 73,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040.30 : 223,560.45 = 49,215.90 : x
  2. Step 2: Convert to fraction form
    149,040.30/223,560.45 = 49,215.90/x
  3. Step 3: Cross multiply
    149,040.30x = 223,560.45 × 49,215.90
  4. Step 4: Simplify right side
    149,040.30x = 11,002,728,751.16
  5. Step 5: Solve for x
    x = 11,002,728,751.16/149,040.30
  6. Step 6: Final answer
    x = 73,823.85

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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.