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Finding the Fourth Proportional to 90,196.74, 135,165.71 and 50,670.70

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Solution

The fourth proportional to 90,196.74, 135,165.71 and 50,670.70 is: 75,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.74 : 135,165.71 = 50,670.70 : x
  2. Step 2: Convert to fraction form
    90,196.74/135,165.71 = 50,670.70/x
  3. Step 3: Cross multiply
    90,196.74x = 135,165.71 × 50,670.70
  4. Step 4: Simplify right side
    90,196.74x = 6,848,940,930.46
  5. Step 5: Solve for x
    x = 6,848,940,930.46/90,196.74
  6. Step 6: Final answer
    x = 75,933.35

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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.