Home / 90,217.65-135,288.33-27,046.77

Finding the Fourth Proportional to 90,217.65, 135,288.33 and 27,046.77

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Solution

The fourth proportional to 90,217.65, 135,288.33 and 27,046.77 is: 40,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217.65 : 135,288.33 = 27,046.77 : x
  2. Step 2: Convert to fraction form
    90,217.65/135,288.33 = 27,046.77/x
  3. Step 3: Cross multiply
    90,217.65x = 135,288.33 × 27,046.77
  4. Step 4: Simplify right side
    90,217.65x = 3,659,112,345.19
  5. Step 5: Solve for x
    x = 3,659,112,345.19/90,217.65
  6. Step 6: Final answer
    x = 40,558.72

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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.