Home / 81,460.32-122,209.56-25,297.56

Finding the Fourth Proportional to 81,460.32, 122,209.56 and 25,297.56

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Solution

The fourth proportional to 81,460.32, 122,209.56 and 25,297.56 is: 37,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.32 : 122,209.56 = 25,297.56 : x
  2. Step 2: Convert to fraction form
    81,460.32/122,209.56 = 25,297.56/x
  3. Step 3: Cross multiply
    81,460.32x = 122,209.56 × 25,297.56
  4. Step 4: Simplify right side
    81,460.32x = 3,091,603,676.67
  5. Step 5: Solve for x
    x = 3,091,603,676.67/81,460.32
  6. Step 6: Final answer
    x = 37,952.27

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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.