Home / 182,640.89-252,045.35-102,069.76

Finding the Fourth Proportional to 182,640.89, 252,045.35 and 102,069.76

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Solution

The fourth proportional to 182,640.89, 252,045.35 and 102,069.76 is: 140,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,640.89 : 252,045.35 = 102,069.76 : x
  2. Step 2: Convert to fraction form
    182,640.89/252,045.35 = 102,069.76/x
  3. Step 3: Cross multiply
    182,640.89x = 252,045.35 × 102,069.76
  4. Step 4: Simplify right side
    182,640.89x = 25,726,207,123.39
  5. Step 5: Solve for x
    x = 25,726,207,123.39/182,640.89
  6. Step 6: Final answer
    x = 140,856.78

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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.