Home / 230,147.80-345,255.72-117,891.52

Finding the Fourth Proportional to 230,147.80, 345,255.72 and 117,891.52

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Solution

The fourth proportional to 230,147.80, 345,255.72 and 117,891.52 is: 176,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,147.80 : 345,255.72 = 117,891.52 : x
  2. Step 2: Convert to fraction form
    230,147.80/345,255.72 = 117,891.52/x
  3. Step 3: Cross multiply
    230,147.80x = 345,255.72 × 117,891.52
  4. Step 4: Simplify right side
    230,147.80x = 40,702,721,619.49
  5. Step 5: Solve for x
    x = 40,702,721,619.49/230,147.80
  6. Step 6: Final answer
    x = 176,854.71

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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.