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Finding the Fourth Proportional to 225,421.56, 311,081.64 and 124,819.56

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Solution

The fourth proportional to 225,421.56, 311,081.64 and 124,819.56 is: 172,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,421.56 : 311,081.64 = 124,819.56 : x
  2. Step 2: Convert to fraction form
    225,421.56/311,081.64 = 124,819.56/x
  3. Step 3: Cross multiply
    225,421.56x = 311,081.64 × 124,819.56
  4. Step 4: Simplify right side
    225,421.56x = 38,829,073,428.88
  5. Step 5: Solve for x
    x = 38,829,073,428.88/225,421.56
  6. Step 6: Final answer
    x = 172,250.93

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