Home / 144,166.68-198,950.19-80,504.46

Finding the Fourth Proportional to 144,166.68, 198,950.19 and 80,504.46

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Solution

The fourth proportional to 144,166.68, 198,950.19 and 80,504.46 is: 111,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.68 : 198,950.19 = 80,504.46 : x
  2. Step 2: Convert to fraction form
    144,166.68/198,950.19 = 80,504.46/x
  3. Step 3: Cross multiply
    144,166.68x = 198,950.19 × 80,504.46
  4. Step 4: Simplify right side
    144,166.68x = 16,016,377,612.85
  5. Step 5: Solve for x
    x = 16,016,377,612.85/144,166.68
  6. Step 6: Final answer
    x = 111,096.25

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1.5x scale

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.