Home / 195,560.96-293,294.46-90,278.78

Finding the Fourth Proportional to 195,560.96, 293,294.46 and 90,278.78

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Solution

The fourth proportional to 195,560.96, 293,294.46 and 90,278.78 is: 135,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,560.96 : 293,294.46 = 90,278.78 : x
  2. Step 2: Convert to fraction form
    195,560.96/293,294.46 = 90,278.78/x
  3. Step 3: Cross multiply
    195,560.96x = 293,294.46 × 90,278.78
  4. Step 4: Simplify right side
    195,560.96x = 26,478,266,029.56
  5. Step 5: Solve for x
    x = 26,478,266,029.56/195,560.96
  6. Step 6: Final answer
    x = 135,396.48

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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.