Home / 122,272.34-183,372.93-47,375.78

Finding the Fourth Proportional to 122,272.34, 183,372.93 and 47,375.78

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Solution

The fourth proportional to 122,272.34, 183,372.93 and 47,375.78 is: 71,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,272.34 : 183,372.93 = 47,375.78 : x
  2. Step 2: Convert to fraction form
    122,272.34/183,372.93 = 47,375.78/x
  3. Step 3: Cross multiply
    122,272.34x = 183,372.93 × 47,375.78
  4. Step 4: Simplify right side
    122,272.34x = 8,687,434,672.77
  5. Step 5: Solve for x
    x = 8,687,434,672.77/122,272.34
  6. Step 6: Final answer
    x = 71,049.88

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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.