Home / 195,514.20-293,076.90-90,149.40

Finding the Fourth Proportional to 195,514.20, 293,076.90 and 90,149.40

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Solution

The fourth proportional to 195,514.20, 293,076.90 and 90,149.40 is: 135,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,514.20 : 293,076.90 = 90,149.40 : x
  2. Step 2: Convert to fraction form
    195,514.20/293,076.90 = 90,149.40/x
  3. Step 3: Cross multiply
    195,514.20x = 293,076.90 × 90,149.40
  4. Step 4: Simplify right side
    195,514.20x = 26,420,706,688.86
  5. Step 5: Solve for x
    x = 26,420,706,688.86/195,514.20
  6. Step 6: Final answer
    x = 135,134.46

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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.