Home / 120,134.44-180,310.20-64,021.42

Finding the Fourth Proportional to 120,134.44, 180,310.20 and 64,021.42

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Solution

The fourth proportional to 120,134.44, 180,310.20 and 64,021.42 is: 96,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,134.44 : 180,310.20 = 64,021.42 : x
  2. Step 2: Convert to fraction form
    120,134.44/180,310.20 = 64,021.42/x
  3. Step 3: Cross multiply
    120,134.44x = 180,310.20 × 64,021.42
  4. Step 4: Simplify right side
    120,134.44x = 11,543,715,044.48
  5. Step 5: Solve for x
    x = 11,543,715,044.48/120,134.44
  6. Step 6: Final answer
    x = 96,089.97

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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.