Home / 124,310.20-186,465.30-54,326.20

Finding the Fourth Proportional to 124,310.20, 186,465.30 and 54,326.20

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Solution

The fourth proportional to 124,310.20, 186,465.30 and 54,326.20 is: 81,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,310.20 : 186,465.30 = 54,326.20 : x
  2. Step 2: Convert to fraction form
    124,310.20/186,465.30 = 54,326.20/x
  3. Step 3: Cross multiply
    124,310.20x = 186,465.30 × 54,326.20
  4. Step 4: Simplify right side
    124,310.20x = 10,129,951,180.86
  5. Step 5: Solve for x
    x = 10,129,951,180.86/124,310.20
  6. Step 6: Final answer
    x = 81,489.30

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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.