Home / 195,694.56-270,043.20-115,125.12

Finding the Fourth Proportional to 195,694.56, 270,043.20 and 115,125.12

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Solution

The fourth proportional to 195,694.56, 270,043.20 and 115,125.12 is: 158,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,694.56 : 270,043.20 = 115,125.12 : x
  2. Step 2: Convert to fraction form
    195,694.56/270,043.20 = 115,125.12/x
  3. Step 3: Cross multiply
    195,694.56x = 270,043.20 × 115,125.12
  4. Step 4: Simplify right side
    195,694.56x = 31,088,755,805.18
  5. Step 5: Solve for x
    x = 31,088,755,805.18/195,694.56
  6. Step 6: Final answer
    x = 158,863.67

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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.