Home / 121,037.70-181,556.55-110,151.30

Finding the Fourth Proportional to 121,037.70, 181,556.55 and 110,151.30

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Solution

The fourth proportional to 121,037.70, 181,556.55 and 110,151.30 is: 165,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,037.70 : 181,556.55 = 110,151.30 : x
  2. Step 2: Convert to fraction form
    121,037.70/181,556.55 = 110,151.30/x
  3. Step 3: Cross multiply
    121,037.70x = 181,556.55 × 110,151.30
  4. Step 4: Simplify right side
    121,037.70x = 19,998,690,006.02
  5. Step 5: Solve for x
    x = 19,998,690,006.02/121,037.70
  6. Step 6: Final answer
    x = 165,226.95

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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.