Home / 144,012.27-198,737.51-80,352.75

Finding the Fourth Proportional to 144,012.27, 198,737.51 and 80,352.75

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Solution

The fourth proportional to 144,012.27, 198,737.51 and 80,352.75 is: 110,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012.27 : 198,737.51 = 80,352.75 : x
  2. Step 2: Convert to fraction form
    144,012.27/198,737.51 = 80,352.75/x
  3. Step 3: Cross multiply
    144,012.27x = 198,737.51 × 80,352.75
  4. Step 4: Simplify right side
    144,012.27x = 15,969,105,456.65
  5. Step 5: Solve for x
    x = 15,969,105,456.65/144,012.27
  6. Step 6: Final answer
    x = 110,887.12

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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.