Home / 167,694.72-231,397.71-113,365.11

Finding the Fourth Proportional to 167,694.72, 231,397.71 and 113,365.11

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Solution

The fourth proportional to 167,694.72, 231,397.71 and 113,365.11 is: 156,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,694.72 : 231,397.71 = 113,365.11 : x
  2. Step 2: Convert to fraction form
    167,694.72/231,397.71 = 113,365.11/x
  3. Step 3: Cross multiply
    167,694.72x = 231,397.71 × 113,365.11
  4. Step 4: Simplify right side
    167,694.72x = 26,232,426,847.90
  5. Step 5: Solve for x
    x = 26,232,426,847.90/167,694.72
  6. Step 6: Final answer
    x = 156,429.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.