Home / 90,239.49-135,378.06-27,057.06

Finding the Fourth Proportional to 90,239.49, 135,378.06 and 27,057.06

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Solution

The fourth proportional to 90,239.49, 135,378.06 and 27,057.06 is: 40,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239.49 : 135,378.06 = 27,057.06 : x
  2. Step 2: Convert to fraction form
    90,239.49/135,378.06 = 27,057.06/x
  3. Step 3: Cross multiply
    90,239.49x = 135,378.06 × 27,057.06
  4. Step 4: Simplify right side
    90,239.49x = 3,662,932,292.10
  5. Step 5: Solve for x
    x = 3,662,932,292.10/90,239.49
  6. Step 6: Final answer
    x = 40,591.23

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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.