Home / 155,304.77-213,791.67-114,942.47

Finding the Fourth Proportional to 155,304.77, 213,791.67 and 114,942.47

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Solution

The fourth proportional to 155,304.77, 213,791.67 and 114,942.47 is: 158,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,304.77 : 213,791.67 = 114,942.47 : x
  2. Step 2: Convert to fraction form
    155,304.77/213,791.67 = 114,942.47/x
  3. Step 3: Cross multiply
    155,304.77x = 213,791.67 × 114,942.47
  4. Step 4: Simplify right side
    155,304.77x = 24,573,741,546.27
  5. Step 5: Solve for x
    x = 24,573,741,546.27/155,304.77
  6. Step 6: Final answer
    x = 158,229.15

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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.