Home / 225,975.24-311,991.91-140,025.43

Finding the Fourth Proportional to 225,975.24, 311,991.91 and 140,025.43

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Solution

The fourth proportional to 225,975.24, 311,991.91 and 140,025.43 is: 193,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.24 : 311,991.91 = 140,025.43 : x
  2. Step 2: Convert to fraction form
    225,975.24/311,991.91 = 140,025.43/x
  3. Step 3: Cross multiply
    225,975.24x = 311,991.91 × 140,025.43
  4. Step 4: Simplify right side
    225,975.24x = 43,686,799,094.18
  5. Step 5: Solve for x
    x = 43,686,799,094.18/225,975.24
  6. Step 6: Final answer
    x = 193,325.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.