Home / 81,189.92-121,797.03-25,025.36

Finding the Fourth Proportional to 81,189.92, 121,797.03 and 25,025.36

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Solution

The fourth proportional to 81,189.92, 121,797.03 and 25,025.36 is: 37,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,189.92 : 121,797.03 = 25,025.36 : x
  2. Step 2: Convert to fraction form
    81,189.92/121,797.03 = 25,025.36/x
  3. Step 3: Cross multiply
    81,189.92x = 121,797.03 × 25,025.36
  4. Step 4: Simplify right side
    81,189.92x = 3,048,014,522.68
  5. Step 5: Solve for x
    x = 3,048,014,522.68/81,189.92
  6. Step 6: Final answer
    x = 37,541.79

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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.