Home / 90,131.22-135,216.24-26,956.35

Finding the Fourth Proportional to 90,131.22, 135,216.24 and 26,956.35

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Solution

The fourth proportional to 90,131.22, 135,216.24 and 26,956.35 is: 40,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,131.22 : 135,216.24 = 26,956.35 : x
  2. Step 2: Convert to fraction form
    90,131.22/135,216.24 = 26,956.35/x
  3. Step 3: Cross multiply
    90,131.22x = 135,216.24 × 26,956.35
  4. Step 4: Simplify right side
    90,131.22x = 3,644,936,291.12
  5. Step 5: Solve for x
    x = 3,644,936,291.12/90,131.22
  6. Step 6: Final answer
    x = 40,440.33

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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.