Home / 225,578.57-311,277.73-130,066.81

Finding the Fourth Proportional to 225,578.57, 311,277.73 and 130,066.81

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Solution

The fourth proportional to 225,578.57, 311,277.73 and 130,066.81 is: 179,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,578.57 : 311,277.73 = 130,066.81 : x
  2. Step 2: Convert to fraction form
    225,578.57/311,277.73 = 130,066.81/x
  3. Step 3: Cross multiply
    225,578.57x = 311,277.73 × 130,066.81
  4. Step 4: Simplify right side
    225,578.57x = 40,486,901,890.78
  5. Step 5: Solve for x
    x = 40,486,901,890.78/225,578.57
  6. Step 6: Final answer
    x = 179,480.27

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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.