Home / 198,190.45-297,368.97-123,373.18

Finding the Fourth Proportional to 198,190.45, 297,368.97 and 123,373.18

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Solution

The fourth proportional to 198,190.45, 297,368.97 and 123,373.18 is: 185,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,190.45 : 297,368.97 = 123,373.18 : x
  2. Step 2: Convert to fraction form
    198,190.45/297,368.97 = 123,373.18/x
  3. Step 3: Cross multiply
    198,190.45x = 297,368.97 × 123,373.18
  4. Step 4: Simplify right side
    198,190.45x = 36,687,353,358.51
  5. Step 5: Solve for x
    x = 36,687,353,358.51/198,190.45
  6. Step 6: Final answer
    x = 185,111.62

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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.