Home / 195,695.20-293,348.40-90,330.40

Finding the Fourth Proportional to 195,695.20, 293,348.40 and 90,330.40

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Solution

The fourth proportional to 195,695.20, 293,348.40 and 90,330.40 is: 135,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,695.20 : 293,348.40 = 90,330.40 : x
  2. Step 2: Convert to fraction form
    195,695.20/293,348.40 = 90,330.40/x
  3. Step 3: Cross multiply
    195,695.20x = 293,348.40 × 90,330.40
  4. Step 4: Simplify right side
    195,695.20x = 26,498,278,311.36
  5. Step 5: Solve for x
    x = 26,498,278,311.36/195,695.20
  6. Step 6: Final answer
    x = 135,405.87

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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.