Home / 144,193.20-198,966.96-80,522.88

Finding the Fourth Proportional to 144,193.20, 198,966.96 and 80,522.88

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Solution

The fourth proportional to 144,193.20, 198,966.96 and 80,522.88 is: 111,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,193.20 : 198,966.96 = 80,522.88 : x
  2. Step 2: Convert to fraction form
    144,193.20/198,966.96 = 80,522.88/x
  3. Step 3: Cross multiply
    144,193.20x = 198,966.96 × 80,522.88
  4. Step 4: Simplify right side
    144,193.20x = 16,021,392,644.04
  5. Step 5: Solve for x
    x = 16,021,392,644.04/144,193.20
  6. Step 6: Final answer
    x = 111,110.60

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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.