Home / 129,467.30-194,123.18-50,618.66

Finding the Fourth Proportional to 129,467.30, 194,123.18 and 50,618.66

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Solution

The fourth proportional to 129,467.30, 194,123.18 and 50,618.66 is: 75,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,467.30 : 194,123.18 = 50,618.66 : x
  2. Step 2: Convert to fraction form
    129,467.30/194,123.18 = 50,618.66/x
  3. Step 3: Cross multiply
    129,467.30x = 194,123.18 × 50,618.66
  4. Step 4: Simplify right side
    129,467.30x = 9,826,254,402.47
  5. Step 5: Solve for x
    x = 9,826,254,402.47/129,467.30
  6. Step 6: Final answer
    x = 75,897.58

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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.