Home / 195,280.20-293,040.36-90,106.92

Finding the Fourth Proportional to 195,280.20, 293,040.36 and 90,106.92

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Solution

The fourth proportional to 195,280.20, 293,040.36 and 90,106.92 is: 135,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,280.20 : 293,040.36 = 90,106.92 : x
  2. Step 2: Convert to fraction form
    195,280.20/293,040.36 = 90,106.92/x
  3. Step 3: Cross multiply
    195,280.20x = 293,040.36 × 90,106.92
  4. Step 4: Simplify right side
    195,280.20x = 26,404,964,275.29
  5. Step 5: Solve for x
    x = 26,404,964,275.29/195,280.20
  6. Step 6: Final answer
    x = 135,215.78

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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.