Home / 198,263.24-297,390.94-79,931.88

Finding the Fourth Proportional to 198,263.24, 297,390.94 and 79,931.88

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Solution

The fourth proportional to 198,263.24, 297,390.94 and 79,931.88 is: 119,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,263.24 : 297,390.94 = 79,931.88 : x
  2. Step 2: Convert to fraction form
    198,263.24/297,390.94 = 79,931.88/x
  3. Step 3: Cross multiply
    198,263.24x = 297,390.94 × 79,931.88
  4. Step 4: Simplify right side
    198,263.24x = 23,771,016,929.17
  5. Step 5: Solve for x
    x = 23,771,016,929.17/198,263.24
  6. Step 6: Final answer
    x = 119,896.24

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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.