Home / 90,256.30-135,382.83-36,936.70

Finding the Fourth Proportional to 90,256.30, 135,382.83 and 36,936.70

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Solution

The fourth proportional to 90,256.30, 135,382.83 and 36,936.70 is: 55,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,256.30 : 135,382.83 = 36,936.70 : x
  2. Step 2: Convert to fraction form
    90,256.30/135,382.83 = 36,936.70/x
  3. Step 3: Cross multiply
    90,256.30x = 135,382.83 × 36,936.70
  4. Step 4: Simplify right side
    90,256.30x = 5,000,594,976.86
  5. Step 5: Solve for x
    x = 5,000,594,976.86/90,256.30
  6. Step 6: Final answer
    x = 55,404.39

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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.