Home / 230,046.23-345,139.76-117,805.91

Finding the Fourth Proportional to 230,046.23, 345,139.76 and 117,805.91

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Solution

The fourth proportional to 230,046.23, 345,139.76 and 117,805.91 is: 176,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,046.23 : 345,139.76 = 117,805.91 : x
  2. Step 2: Convert to fraction form
    230,046.23/345,139.76 = 117,805.91/x
  3. Step 3: Cross multiply
    230,046.23x = 345,139.76 × 117,805.91
  4. Step 4: Simplify right side
    230,046.23x = 40,659,502,072.80
  5. Step 5: Solve for x
    x = 40,659,502,072.80/230,046.23
  6. Step 6: Final answer
    x = 176,744.92

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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.