Home / 90,190.44-135,316.67-40,304.97

Finding the Fourth Proportional to 90,190.44, 135,316.67 and 40,304.97

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Solution

The fourth proportional to 90,190.44, 135,316.67 and 40,304.97 is: 60,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.44 : 135,316.67 = 40,304.97 : x
  2. Step 2: Convert to fraction form
    90,190.44/135,316.67 = 40,304.97/x
  3. Step 3: Cross multiply
    90,190.44x = 135,316.67 × 40,304.97
  4. Step 4: Simplify right side
    90,190.44x = 5,453,934,123.33
  5. Step 5: Solve for x
    x = 5,453,934,123.33/90,190.44
  6. Step 6: Final answer
    x = 60,471.31

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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.