Home / 81,329.24-122,005.52-25,174.28

Finding the Fourth Proportional to 81,329.24, 122,005.52 and 25,174.28

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Solution

The fourth proportional to 81,329.24, 122,005.52 and 25,174.28 is: 37,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,329.24 : 122,005.52 = 25,174.28 : x
  2. Step 2: Convert to fraction form
    81,329.24/122,005.52 = 25,174.28/x
  3. Step 3: Cross multiply
    81,329.24x = 122,005.52 × 25,174.28
  4. Step 4: Simplify right side
    81,329.24x = 3,071,401,122.03
  5. Step 5: Solve for x
    x = 3,071,401,122.03/81,329.24
  6. Step 6: Final answer
    x = 37,765.03

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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.