Home / 159,339.09-238,833.68-54,078.78

Finding the Fourth Proportional to 159,339.09, 238,833.68 and 54,078.78

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Solution

The fourth proportional to 159,339.09, 238,833.68 and 54,078.78 is: 81,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,339.09 : 238,833.68 = 54,078.78 : x
  2. Step 2: Convert to fraction form
    159,339.09/238,833.68 = 54,078.78/x
  3. Step 3: Cross multiply
    159,339.09x = 238,833.68 × 54,078.78
  4. Step 4: Simplify right side
    159,339.09x = 12,915,833,766.92
  5. Step 5: Solve for x
    x = 12,915,833,766.92/159,339.09
  6. Step 6: Final answer
    x = 81,058.79

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1.5x scale

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.