Home / 131,125.56-180,953.22-74,540.52

Finding the Fourth Proportional to 131,125.56, 180,953.22 and 74,540.52

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Solution

The fourth proportional to 131,125.56, 180,953.22 and 74,540.52 is: 102,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,125.56 : 180,953.22 = 74,540.52 : x
  2. Step 2: Convert to fraction form
    131,125.56/180,953.22 = 74,540.52/x
  3. Step 3: Cross multiply
    131,125.56x = 180,953.22 × 74,540.52
  4. Step 4: Simplify right side
    131,125.56x = 13,488,347,114.47
  5. Step 5: Solve for x
    x = 13,488,347,114.47/131,125.56
  6. Step 6: Final answer
    x = 102,865.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.