Home / 120,520.37-180,754.61-49,373.24

Finding the Fourth Proportional to 120,520.37, 180,754.61 and 49,373.24

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Solution

The fourth proportional to 120,520.37, 180,754.61 and 49,373.24 is: 74,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,520.37 : 180,754.61 = 49,373.24 : x
  2. Step 2: Convert to fraction form
    120,520.37/180,754.61 = 49,373.24/x
  3. Step 3: Cross multiply
    120,520.37x = 180,754.61 × 49,373.24
  4. Step 4: Simplify right side
    120,520.37x = 8,924,440,945.66
  5. Step 5: Solve for x
    x = 8,924,440,945.66/120,520.37
  6. Step 6: Final answer
    x = 74,049.23

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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.