Home / 143,712.36-198,329.18-80,050.19

Finding the Fourth Proportional to 143,712.36, 198,329.18 and 80,050.19

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Solution

The fourth proportional to 143,712.36, 198,329.18 and 80,050.19 is: 110,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712.36 : 198,329.18 = 80,050.19 : x
  2. Step 2: Convert to fraction form
    143,712.36/198,329.18 = 80,050.19/x
  3. Step 3: Cross multiply
    143,712.36x = 198,329.18 × 80,050.19
  4. Step 4: Simplify right side
    143,712.36x = 15,876,287,149.65
  5. Step 5: Solve for x
    x = 15,876,287,149.65/143,712.36
  6. Step 6: Final answer
    x = 110,472.66

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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.