Home / 150,292.60-225,338.86-90,185.74

Finding the Fourth Proportional to 150,292.60, 225,338.86 and 90,185.74

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Solution

The fourth proportional to 150,292.60, 225,338.86 and 90,185.74 is: 135,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,292.60 : 225,338.86 = 90,185.74 : x
  2. Step 2: Convert to fraction form
    150,292.60/225,338.86 = 90,185.74/x
  3. Step 3: Cross multiply
    150,292.60x = 225,338.86 × 90,185.74
  4. Step 4: Simplify right side
    150,292.60x = 20,322,351,839.86
  5. Step 5: Solve for x
    x = 20,322,351,839.86/150,292.60
  6. Step 6: Final answer
    x = 135,218.58

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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.