Home / 143,744.85-198,368.10-80,084.88

Finding the Fourth Proportional to 143,744.85, 198,368.10 and 80,084.88

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Solution

The fourth proportional to 143,744.85, 198,368.10 and 80,084.88 is: 110,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744.85 : 198,368.10 = 80,084.88 : x
  2. Step 2: Convert to fraction form
    143,744.85/198,368.10 = 80,084.88/x
  3. Step 3: Cross multiply
    143,744.85x = 198,368.10 × 80,084.88
  4. Step 4: Simplify right side
    143,744.85x = 15,886,285,484.33
  5. Step 5: Solve for x
    x = 15,886,285,484.33/143,744.85
  6. Step 6: Final answer
    x = 110,517.25

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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.