Home / 76,188.94-114,301.65-31,791.06

Finding the Fourth Proportional to 76,188.94, 114,301.65 and 31,791.06

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Solution

The fourth proportional to 76,188.94, 114,301.65 and 31,791.06 is: 47,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,188.94 : 114,301.65 = 31,791.06 : x
  2. Step 2: Convert to fraction form
    76,188.94/114,301.65 = 31,791.06/x
  3. Step 3: Cross multiply
    76,188.94x = 114,301.65 × 31,791.06
  4. Step 4: Simplify right side
    76,188.94x = 3,633,770,613.25
  5. Step 5: Solve for x
    x = 3,633,770,613.25/76,188.94
  6. Step 6: Final answer
    x = 47,694.20

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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.