Home / 143,861.06-198,528.27-80,202.96

Finding the Fourth Proportional to 143,861.06, 198,528.27 and 80,202.96

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Solution

The fourth proportional to 143,861.06, 198,528.27 and 80,202.96 is: 110,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,861.06 : 198,528.27 = 80,202.96 : x
  2. Step 2: Convert to fraction form
    143,861.06/198,528.27 = 80,202.96/x
  3. Step 3: Cross multiply
    143,861.06x = 198,528.27 × 80,202.96
  4. Step 4: Simplify right side
    143,861.06x = 15,922,554,596.92
  5. Step 5: Solve for x
    x = 15,922,554,596.92/143,861.06
  6. Step 6: Final answer
    x = 110,680.08

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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.