Home / 81,396.48-122,099.34-25,244.58

Finding the Fourth Proportional to 81,396.48, 122,099.34 and 25,244.58

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Solution

The fourth proportional to 81,396.48, 122,099.34 and 25,244.58 is: 37,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,396.48 : 122,099.34 = 25,244.58 : x
  2. Step 2: Convert to fraction form
    81,396.48/122,099.34 = 25,244.58/x
  3. Step 3: Cross multiply
    81,396.48x = 122,099.34 × 25,244.58
  4. Step 4: Simplify right side
    81,396.48x = 3,082,346,556.58
  5. Step 5: Solve for x
    x = 3,082,346,556.58/81,396.48
  6. Step 6: Final answer
    x = 37,868.30

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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.