Home / 90,222.38-135,284.61-27,033.74

Finding the Fourth Proportional to 90,222.38, 135,284.61 and 27,033.74

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Solution

The fourth proportional to 90,222.38, 135,284.61 and 27,033.74 is: 40,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.38 : 135,284.61 = 27,033.74 : x
  2. Step 2: Convert to fraction form
    90,222.38/135,284.61 = 27,033.74/x
  3. Step 3: Cross multiply
    90,222.38x = 135,284.61 × 27,033.74
  4. Step 4: Simplify right side
    90,222.38x = 3,657,248,972.74
  5. Step 5: Solve for x
    x = 3,657,248,972.74/90,222.38
  6. Step 6: Final answer
    x = 40,535.94

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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.