Home / 90,414.09-135,630.25-23,858.82

Finding the Fourth Proportional to 90,414.09, 135,630.25 and 23,858.82

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Solution

The fourth proportional to 90,414.09, 135,630.25 and 23,858.82 is: 35,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414.09 : 135,630.25 = 23,858.82 : x
  2. Step 2: Convert to fraction form
    90,414.09/135,630.25 = 23,858.82/x
  3. Step 3: Cross multiply
    90,414.09x = 135,630.25 × 23,858.82
  4. Step 4: Simplify right side
    90,414.09x = 3,235,977,661.66
  5. Step 5: Solve for x
    x = 3,235,977,661.66/90,414.09
  6. Step 6: Final answer
    x = 35,790.63

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1.5x scale

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.