Home / 195,621.40-293,091.90-90,224.20

Finding the Fourth Proportional to 195,621.40, 293,091.90 and 90,224.20

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Solution

The fourth proportional to 195,621.40, 293,091.90 and 90,224.20 is: 135,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,621.40 : 293,091.90 = 90,224.20 : x
  2. Step 2: Convert to fraction form
    195,621.40/293,091.90 = 90,224.20/x
  3. Step 3: Cross multiply
    195,621.40x = 293,091.90 × 90,224.20
  4. Step 4: Simplify right side
    195,621.40x = 26,443,982,203.98
  5. Step 5: Solve for x
    x = 26,443,982,203.98/195,621.40
  6. Step 6: Final answer
    x = 135,179.39

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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.