Home / 90,199.74-135,170.21-50,673.71

Finding the Fourth Proportional to 90,199.74, 135,170.21 and 50,673.71

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Solution

The fourth proportional to 90,199.74, 135,170.21 and 50,673.71 is: 75,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199.74 : 135,170.21 = 50,673.71 : x
  2. Step 2: Convert to fraction form
    90,199.74/135,170.21 = 50,673.71/x
  3. Step 3: Cross multiply
    90,199.74x = 135,170.21 × 50,673.71
  4. Step 4: Simplify right side
    90,199.74x = 6,849,575,092.96
  5. Step 5: Solve for x
    x = 6,849,575,092.96/90,199.74
  6. Step 6: Final answer
    x = 75,937.86

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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.