Home / 198,318.36-297,182.13-109,597.21

Finding the Fourth Proportional to 198,318.36, 297,182.13 and 109,597.21

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Solution

The fourth proportional to 198,318.36, 297,182.13 and 109,597.21 is: 164,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,318.36 : 297,182.13 = 109,597.21 : x
  2. Step 2: Convert to fraction form
    198,318.36/297,182.13 = 109,597.21/x
  3. Step 3: Cross multiply
    198,318.36x = 297,182.13 × 109,597.21
  4. Step 4: Simplify right side
    198,318.36x = 32,570,332,309.86
  5. Step 5: Solve for x
    x = 32,570,332,309.86/198,318.36
  6. Step 6: Final answer
    x = 164,232.56

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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.