Home / 143,608.60-198,149.85-83,175.64

Finding the Fourth Proportional to 143,608.60, 198,149.85 and 83,175.64

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Solution

The fourth proportional to 143,608.60, 198,149.85 and 83,175.64 is: 114,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,608.60 : 198,149.85 = 83,175.64 : x
  2. Step 2: Convert to fraction form
    143,608.60/198,149.85 = 83,175.64/x
  3. Step 3: Cross multiply
    143,608.60x = 198,149.85 × 83,175.64
  4. Step 4: Simplify right side
    143,608.60x = 16,481,240,589.65
  5. Step 5: Solve for x
    x = 16,481,240,589.65/143,608.60
  6. Step 6: Final answer
    x = 114,765.00

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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.