Home / 195,826.12-270,246.72-109,788.74

Finding the Fourth Proportional to 195,826.12, 270,246.72 and 109,788.74

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Solution

The fourth proportional to 195,826.12, 270,246.72 and 109,788.74 is: 151,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,826.12 : 270,246.72 = 109,788.74 : x
  2. Step 2: Convert to fraction form
    195,826.12/270,246.72 = 109,788.74/x
  3. Step 3: Cross multiply
    195,826.12x = 270,246.72 × 109,788.74
  4. Step 4: Simplify right side
    195,826.12x = 29,670,046,877.93
  5. Step 5: Solve for x
    x = 29,670,046,877.93/195,826.12
  6. Step 6: Final answer
    x = 151,512.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.