Home / 198,128.38-297,191.52-48,369.46

Finding the Fourth Proportional to 198,128.38, 297,191.52 and 48,369.46

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Solution

The fourth proportional to 198,128.38, 297,191.52 and 48,369.46 is: 72,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,128.38 : 297,191.52 = 48,369.46 : x
  2. Step 2: Convert to fraction form
    198,128.38/297,191.52 = 48,369.46/x
  3. Step 3: Cross multiply
    198,128.38x = 297,191.52 × 48,369.46
  4. Step 4: Simplify right side
    198,128.38x = 14,374,993,338.98
  5. Step 5: Solve for x
    x = 14,374,993,338.98/198,128.38
  6. Step 6: Final answer
    x = 72,553.93

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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.