Home / 131,591.04-197,399.12-36,821.28

Finding the Fourth Proportional to 131,591.04, 197,399.12 and 36,821.28

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Solution

The fourth proportional to 131,591.04, 197,399.12 and 36,821.28 is: 55,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,591.04 : 197,399.12 = 36,821.28 : x
  2. Step 2: Convert to fraction form
    131,591.04/197,399.12 = 36,821.28/x
  3. Step 3: Cross multiply
    131,591.04x = 197,399.12 × 36,821.28
  4. Step 4: Simplify right side
    131,591.04x = 7,268,488,269.27
  5. Step 5: Solve for x
    x = 7,268,488,269.27/131,591.04
  6. Step 6: Final answer
    x = 55,235.43

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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.