Home / 90,190.54-124,467.42-54,392.14

Finding the Fourth Proportional to 90,190.54, 124,467.42 and 54,392.14

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Solution

The fourth proportional to 90,190.54, 124,467.42 and 54,392.14 is: 75,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.54 : 124,467.42 = 54,392.14 : x
  2. Step 2: Convert to fraction form
    90,190.54/124,467.42 = 54,392.14/x
  3. Step 3: Cross multiply
    90,190.54x = 124,467.42 × 54,392.14
  4. Step 4: Simplify right side
    90,190.54x = 6,770,049,334.08
  5. Step 5: Solve for x
    x = 6,770,049,334.08/90,190.54
  6. Step 6: Final answer
    x = 75,063.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.