Home / 131,055.44-196,336.44-77,589.20

Finding the Fourth Proportional to 131,055.44, 196,336.44 and 77,589.20

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Solution

The fourth proportional to 131,055.44, 196,336.44 and 77,589.20 is: 116,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055.44 : 196,336.44 = 77,589.20 : x
  2. Step 2: Convert to fraction form
    131,055.44/196,336.44 = 77,589.20/x
  3. Step 3: Cross multiply
    131,055.44x = 196,336.44 × 77,589.20
  4. Step 4: Simplify right side
    131,055.44x = 15,233,587,310.45
  5. Step 5: Solve for x
    x = 15,233,587,310.45/131,055.44
  6. Step 6: Final answer
    x = 116,237.73

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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.