Home / 90,662.07-135,993.08-28,332.57

Finding the Fourth Proportional to 90,662.07, 135,993.08 and 28,332.57

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Solution

The fourth proportional to 90,662.07, 135,993.08 and 28,332.57 is: 42,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,662.07 : 135,993.08 = 28,332.57 : x
  2. Step 2: Convert to fraction form
    90,662.07/135,993.08 = 28,332.57/x
  3. Step 3: Cross multiply
    90,662.07x = 135,993.08 × 28,332.57
  4. Step 4: Simplify right side
    90,662.07x = 3,853,033,458.62
  5. Step 5: Solve for x
    x = 3,853,033,458.62/90,662.07
  6. Step 6: Final answer
    x = 42,498.85

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Similar ratio
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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.