Home / 198,008.20-297,026.17-79,680.09

Finding the Fourth Proportional to 198,008.20, 297,026.17 and 79,680.09

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Solution

The fourth proportional to 198,008.20, 297,026.17 and 79,680.09 is: 119,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,008.20 : 297,026.17 = 79,680.09 : x
  2. Step 2: Convert to fraction form
    198,008.20/297,026.17 = 79,680.09/x
  3. Step 3: Cross multiply
    198,008.20x = 297,026.17 × 79,680.09
  4. Step 4: Simplify right side
    198,008.20x = 23,667,071,758.76
  5. Step 5: Solve for x
    x = 23,667,071,758.76/198,008.20
  6. Step 6: Final answer
    x = 119,525.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.