Home / 135,184.22-202,951.62-90,491.51

Finding the Fourth Proportional to 135,184.22, 202,951.62 and 90,491.51

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Solution

The fourth proportional to 135,184.22, 202,951.62 and 90,491.51 is: 135,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.22 : 202,951.62 = 90,491.51 : x
  2. Step 2: Convert to fraction form
    135,184.22/202,951.62 = 90,491.51/x
  3. Step 3: Cross multiply
    135,184.22x = 202,951.62 × 90,491.51
  4. Step 4: Simplify right side
    135,184.22x = 18,365,397,535.99
  5. Step 5: Solve for x
    x = 18,365,397,535.99/135,184.22
  6. Step 6: Final answer
    x = 135,854.60

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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.