Home / 198,131.58-297,206.78-63,209.98

Finding the Fourth Proportional to 198,131.58, 297,206.78 and 63,209.98

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Solution

The fourth proportional to 198,131.58, 297,206.78 and 63,209.98 is: 94,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,131.58 : 297,206.78 = 63,209.98 : x
  2. Step 2: Convert to fraction form
    198,131.58/297,206.78 = 63,209.98/x
  3. Step 3: Cross multiply
    198,131.58x = 297,206.78 × 63,209.98
  4. Step 4: Simplify right side
    198,131.58x = 18,786,434,034.67
  5. Step 5: Solve for x
    x = 18,786,434,034.67/198,131.58
  6. Step 6: Final answer
    x = 94,817.97

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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.