Home / 130,940.18-196,379.13-36,168.26

Finding the Fourth Proportional to 130,940.18, 196,379.13 and 36,168.26

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Solution

The fourth proportional to 130,940.18, 196,379.13 and 36,168.26 is: 54,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,940.18 : 196,379.13 = 36,168.26 : x
  2. Step 2: Convert to fraction form
    130,940.18/196,379.13 = 36,168.26/x
  3. Step 3: Cross multiply
    130,940.18x = 196,379.13 × 36,168.26
  4. Step 4: Simplify right side
    130,940.18x = 7,102,691,251.57
  5. Step 5: Solve for x
    x = 7,102,691,251.57/130,940.18
  6. Step 6: Final answer
    x = 54,243.79

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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.