Home / 198,220.48-297,252.96-79,869.76

Finding the Fourth Proportional to 198,220.48, 297,252.96 and 79,869.76

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Solution

The fourth proportional to 198,220.48, 297,252.96 and 79,869.76 is: 119,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.48 : 297,252.96 = 79,869.76 : x
  2. Step 2: Convert to fraction form
    198,220.48/297,252.96 = 79,869.76/x
  3. Step 3: Cross multiply
    198,220.48x = 297,252.96 × 79,869.76
  4. Step 4: Simplify right side
    198,220.48x = 23,741,522,574.49
  5. Step 5: Solve for x
    x = 23,741,522,574.49/198,220.48
  6. Step 6: Final answer
    x = 119,773.31

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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.