Home / 225,431.52-311,093.24-122,065.20

Finding the Fourth Proportional to 225,431.52, 311,093.24 and 122,065.20

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Solution

The fourth proportional to 225,431.52, 311,093.24 and 122,065.20 is: 168,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,431.52 : 311,093.24 = 122,065.20 : x
  2. Step 2: Convert to fraction form
    225,431.52/311,093.24 = 122,065.20/x
  3. Step 3: Cross multiply
    225,431.52x = 311,093.24 × 122,065.20
  4. Step 4: Simplify right side
    225,431.52x = 37,973,658,559.25
  5. Step 5: Solve for x
    x = 37,973,658,559.25/225,431.52
  6. Step 6: Final answer
    x = 168,448.75

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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.