Home / 143,935.38-198,630.33-80,273.13

Finding the Fourth Proportional to 143,935.38, 198,630.33 and 80,273.13

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Solution

The fourth proportional to 143,935.38, 198,630.33 and 80,273.13 is: 110,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,935.38 : 198,630.33 = 80,273.13 : x
  2. Step 2: Convert to fraction form
    143,935.38/198,630.33 = 80,273.13/x
  3. Step 3: Cross multiply
    143,935.38x = 198,630.33 × 80,273.13
  4. Step 4: Simplify right side
    143,935.38x = 15,944,677,256.14
  5. Step 5: Solve for x
    x = 15,944,677,256.14/143,935.38
  6. Step 6: Final answer
    x = 110,776.64

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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.