Home / 81,337.25-122,012.01-25,183.28

Finding the Fourth Proportional to 81,337.25, 122,012.01 and 25,183.28

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Solution

The fourth proportional to 81,337.25, 122,012.01 and 25,183.28 is: 37,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,337.25 : 122,012.01 = 25,183.28 : x
  2. Step 2: Convert to fraction form
    81,337.25/122,012.01 = 25,183.28/x
  3. Step 3: Cross multiply
    81,337.25x = 122,012.01 × 25,183.28
  4. Step 4: Simplify right side
    81,337.25x = 3,072,662,001.13
  5. Step 5: Solve for x
    x = 3,072,662,001.13/81,337.25
  6. Step 6: Final answer
    x = 37,776.81

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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.