Home / 90,270.28-135,317.04-37,694.80

Finding the Fourth Proportional to 90,270.28, 135,317.04 and 37,694.80

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Solution

The fourth proportional to 90,270.28, 135,317.04 and 37,694.80 is: 56,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.28 : 135,317.04 = 37,694.80 : x
  2. Step 2: Convert to fraction form
    90,270.28/135,317.04 = 37,694.80/x
  3. Step 3: Cross multiply
    90,270.28x = 135,317.04 × 37,694.80
  4. Step 4: Simplify right side
    90,270.28x = 5,100,748,759.39
  5. Step 5: Solve for x
    x = 5,100,748,759.39/90,270.28
  6. Step 6: Final answer
    x = 56,505.29

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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.