Home / 198,212.76-297,402.54-123,395.52

Finding the Fourth Proportional to 198,212.76, 297,402.54 and 123,395.52

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Solution

The fourth proportional to 198,212.76, 297,402.54 and 123,395.52 is: 185,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,212.76 : 297,402.54 = 123,395.52 : x
  2. Step 2: Convert to fraction form
    198,212.76/297,402.54 = 123,395.52/x
  3. Step 3: Cross multiply
    198,212.76x = 297,402.54 × 123,395.52
  4. Step 4: Simplify right side
    198,212.76x = 36,698,141,072.62
  5. Step 5: Solve for x
    x = 36,698,141,072.62/198,212.76
  6. Step 6: Final answer
    x = 185,145.20

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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.