Home / 90,912.24-136,383.06-26,876.88

Finding the Fourth Proportional to 90,912.24, 136,383.06 and 26,876.88

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Solution

The fourth proportional to 90,912.24, 136,383.06 and 26,876.88 is: 40,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,912.24 : 136,383.06 = 26,876.88 : x
  2. Step 2: Convert to fraction form
    90,912.24/136,383.06 = 26,876.88/x
  3. Step 3: Cross multiply
    90,912.24x = 136,383.06 × 26,876.88
  4. Step 4: Simplify right side
    90,912.24x = 3,665,551,137.65
  5. Step 5: Solve for x
    x = 3,665,551,137.65/90,912.24
  6. Step 6: Final answer
    x = 40,319.67

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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.