Home / 135,351.25-202,600.41-121,086.55

Finding the Fourth Proportional to 135,351.25, 202,600.41 and 121,086.55

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Solution

The fourth proportional to 135,351.25, 202,600.41 and 121,086.55 is: 181,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,351.25 : 202,600.41 = 121,086.55 : x
  2. Step 2: Convert to fraction form
    135,351.25/202,600.41 = 121,086.55/x
  3. Step 3: Cross multiply
    135,351.25x = 202,600.41 × 121,086.55
  4. Step 4: Simplify right side
    135,351.25x = 24,532,184,356.70
  5. Step 5: Solve for x
    x = 24,532,184,356.70/135,351.25
  6. Step 6: Final answer
    x = 181,248.30

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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.