Home / 143,876.24-198,549.52-80,212.80

Finding the Fourth Proportional to 143,876.24, 198,549.52 and 80,212.80

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Solution

The fourth proportional to 143,876.24, 198,549.52 and 80,212.80 is: 110,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,876.24 : 198,549.52 = 80,212.80 : x
  2. Step 2: Convert to fraction form
    143,876.24/198,549.52 = 80,212.80/x
  3. Step 3: Cross multiply
    143,876.24x = 198,549.52 × 80,212.80
  4. Step 4: Simplify right side
    143,876.24x = 15,926,212,937.86
  5. Step 5: Solve for x
    x = 15,926,212,937.86/143,876.24
  6. Step 6: Final answer
    x = 110,693.84

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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.