Home / 107,545.20-161,296.20-51,385.20

Finding the Fourth Proportional to 107,545.20, 161,296.20 and 51,385.20

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Solution

The fourth proportional to 107,545.20, 161,296.20 and 51,385.20 is: 77,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,545.20 : 161,296.20 = 51,385.20 : x
  2. Step 2: Convert to fraction form
    107,545.20/161,296.20 = 51,385.20/x
  3. Step 3: Cross multiply
    107,545.20x = 161,296.20 × 51,385.20
  4. Step 4: Simplify right side
    107,545.20x = 8,288,237,496.24
  5. Step 5: Solve for x
    x = 8,288,237,496.24/107,545.20
  6. Step 6: Final answer
    x = 77,067.48

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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.