Home / 90,610.83-135,937.51-27,431.44

Finding the Fourth Proportional to 90,610.83, 135,937.51 and 27,431.44

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Solution

The fourth proportional to 90,610.83, 135,937.51 and 27,431.44 is: 41,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.83 : 135,937.51 = 27,431.44 : x
  2. Step 2: Convert to fraction form
    90,610.83/135,937.51 = 27,431.44/x
  3. Step 3: Cross multiply
    90,610.83x = 135,937.51 × 27,431.44
  4. Step 4: Simplify right side
    90,610.83x = 3,728,961,717.89
  5. Step 5: Solve for x
    x = 3,728,961,717.89/90,610.83
  6. Step 6: Final answer
    x = 41,153.60

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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.