Home / 143,944.04-198,643.12-80,285.96

Finding the Fourth Proportional to 143,944.04, 198,643.12 and 80,285.96

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Solution

The fourth proportional to 143,944.04, 198,643.12 and 80,285.96 is: 110,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,944.04 : 198,643.12 = 80,285.96 : x
  2. Step 2: Convert to fraction form
    143,944.04/198,643.12 = 80,285.96/x
  3. Step 3: Cross multiply
    143,944.04x = 198,643.12 × 80,285.96
  4. Step 4: Simplify right side
    143,944.04x = 15,948,253,586.60
  5. Step 5: Solve for x
    x = 15,948,253,586.60/143,944.04
  6. Step 6: Final answer
    x = 110,794.82

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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.