Home / 81,464.46-122,215.80-25,301.67

Finding the Fourth Proportional to 81,464.46, 122,215.80 and 25,301.67

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Solution

The fourth proportional to 81,464.46, 122,215.80 and 25,301.67 is: 37,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464.46 : 122,215.80 = 25,301.67 : x
  2. Step 2: Convert to fraction form
    81,464.46/122,215.80 = 25,301.67/x
  3. Step 3: Cross multiply
    81,464.46x = 122,215.80 × 25,301.67
  4. Step 4: Simplify right side
    81,464.46x = 3,092,263,840.39
  5. Step 5: Solve for x
    x = 3,092,263,840.39/81,464.46
  6. Step 6: Final answer
    x = 37,958.44

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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.