Home / 109,296.83-151,517.45-103,309.92

Finding the Fourth Proportional to 109,296.83, 151,517.45 and 103,309.92

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Solution

The fourth proportional to 109,296.83, 151,517.45 and 103,309.92 is: 143,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,296.83 : 151,517.45 = 103,309.92 : x
  2. Step 2: Convert to fraction form
    109,296.83/151,517.45 = 103,309.92/x
  3. Step 3: Cross multiply
    109,296.83x = 151,517.45 × 103,309.92
  4. Step 4: Simplify right side
    109,296.83x = 15,653,255,121.55
  5. Step 5: Solve for x
    x = 15,653,255,121.55/109,296.83
  6. Step 6: Final answer
    x = 143,217.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.