Home / 150,631.14-225,645.48-90,626.52

Finding the Fourth Proportional to 150,631.14, 225,645.48 and 90,626.52

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Solution

The fourth proportional to 150,631.14, 225,645.48 and 90,626.52 is: 135,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,631.14 : 225,645.48 = 90,626.52 : x
  2. Step 2: Convert to fraction form
    150,631.14/225,645.48 = 90,626.52/x
  3. Step 3: Cross multiply
    150,631.14x = 225,645.48 × 90,626.52
  4. Step 4: Simplify right side
    150,631.14x = 20,449,464,606.13
  5. Step 5: Solve for x
    x = 20,449,464,606.13/150,631.14
  6. Step 6: Final answer
    x = 135,758.55

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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.