Home / 90,194.64-135,339.96-50,754.53

Finding the Fourth Proportional to 90,194.64, 135,339.96 and 50,754.53

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Solution

The fourth proportional to 90,194.64, 135,339.96 and 50,754.53 is: 76,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.64 : 135,339.96 = 50,754.53 : x
  2. Step 2: Convert to fraction form
    90,194.64/135,339.96 = 50,754.53/x
  3. Step 3: Cross multiply
    90,194.64x = 135,339.96 × 50,754.53
  4. Step 4: Simplify right side
    90,194.64x = 6,869,115,383.32
  5. Step 5: Solve for x
    x = 6,869,115,383.32/90,194.64
  6. Step 6: Final answer
    x = 76,158.80

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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.