Home / 91,129.38-136,682.07-27,086.16

Finding the Fourth Proportional to 91,129.38, 136,682.07 and 27,086.16

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Solution

The fourth proportional to 91,129.38, 136,682.07 and 27,086.16 is: 40,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,129.38 : 136,682.07 = 27,086.16 : x
  2. Step 2: Convert to fraction form
    91,129.38/136,682.07 = 27,086.16/x
  3. Step 3: Cross multiply
    91,129.38x = 136,682.07 × 27,086.16
  4. Step 4: Simplify right side
    91,129.38x = 3,702,191,789.15
  5. Step 5: Solve for x
    x = 3,702,191,789.15/91,129.38
  6. Step 6: Final answer
    x = 40,625.67

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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.