Home / 123,612.20-185,418.30-34,864.55

Finding the Fourth Proportional to 123,612.20, 185,418.30 and 34,864.55

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Solution

The fourth proportional to 123,612.20, 185,418.30 and 34,864.55 is: 52,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,612.20 : 185,418.30 = 34,864.55 : x
  2. Step 2: Convert to fraction form
    123,612.20/185,418.30 = 34,864.55/x
  3. Step 3: Cross multiply
    123,612.20x = 185,418.30 × 34,864.55
  4. Step 4: Simplify right side
    123,612.20x = 6,464,525,591.27
  5. Step 5: Solve for x
    x = 6,464,525,591.27/123,612.20
  6. Step 6: Final answer
    x = 52,296.83

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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.