Home / 195,622.80-293,520.60-90,387.60

Finding the Fourth Proportional to 195,622.80, 293,520.60 and 90,387.60

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Solution

The fourth proportional to 195,622.80, 293,520.60 and 90,387.60 is: 135,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,622.80 : 293,520.60 = 90,387.60 : x
  2. Step 2: Convert to fraction form
    195,622.80/293,520.60 = 90,387.60/x
  3. Step 3: Cross multiply
    195,622.80x = 293,520.60 × 90,387.60
  4. Step 4: Simplify right side
    195,622.80x = 26,530,622,584.56
  5. Step 5: Solve for x
    x = 26,530,622,584.56/195,622.80
  6. Step 6: Final answer
    x = 135,621.32

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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.