Home / 204,493.20-306,739.80-79,834.20

Finding the Fourth Proportional to 204,493.20, 306,739.80 and 79,834.20

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Solution

The fourth proportional to 204,493.20, 306,739.80 and 79,834.20 is: 119,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,493.20 : 306,739.80 = 79,834.20 : x
  2. Step 2: Convert to fraction form
    204,493.20/306,739.80 = 79,834.20/x
  3. Step 3: Cross multiply
    204,493.20x = 306,739.80 × 79,834.20
  4. Step 4: Simplify right side
    204,493.20x = 24,488,326,541.16
  5. Step 5: Solve for x
    x = 24,488,326,541.16/204,493.20
  6. Step 6: Final answer
    x = 119,751.30

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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.