Home / 122,644.27-183,930.86-47,747.72

Finding the Fourth Proportional to 122,644.27, 183,930.86 and 47,747.72

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Solution

The fourth proportional to 122,644.27, 183,930.86 and 47,747.72 is: 71,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,644.27 : 183,930.86 = 47,747.72 : x
  2. Step 2: Convert to fraction form
    122,644.27/183,930.86 = 47,747.72/x
  3. Step 3: Cross multiply
    122,644.27x = 183,930.86 × 47,747.72
  4. Step 4: Simplify right side
    122,644.27x = 8,782,278,044.25
  5. Step 5: Solve for x
    x = 8,782,278,044.25/122,644.27
  6. Step 6: Final answer
    x = 71,607.74

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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.