Home / 198,011.28-296,992.80-57,770.04

Finding the Fourth Proportional to 198,011.28, 296,992.80 and 57,770.04

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Solution

The fourth proportional to 198,011.28, 296,992.80 and 57,770.04 is: 86,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,011.28 : 296,992.80 = 57,770.04 : x
  2. Step 2: Convert to fraction form
    198,011.28/296,992.80 = 57,770.04/x
  3. Step 3: Cross multiply
    198,011.28x = 296,992.80 × 57,770.04
  4. Step 4: Simplify right side
    198,011.28x = 17,157,285,935.71
  5. Step 5: Solve for x
    x = 17,157,285,935.71/198,011.28
  6. Step 6: Final answer
    x = 86,648.02

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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.