Home / 195,531.24-293,223.05-90,276.40

Finding the Fourth Proportional to 195,531.24, 293,223.05 and 90,276.40

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Solution

The fourth proportional to 195,531.24, 293,223.05 and 90,276.40 is: 135,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,531.24 : 293,223.05 = 90,276.40 : x
  2. Step 2: Convert to fraction form
    195,531.24/293,223.05 = 90,276.40/x
  3. Step 3: Cross multiply
    195,531.24x = 293,223.05 × 90,276.40
  4. Step 4: Simplify right side
    195,531.24x = 26,471,120,906.96
  5. Step 5: Solve for x
    x = 26,471,120,906.96/195,531.24
  6. Step 6: Final answer
    x = 135,380.52

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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.