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Finding the Fourth Proportional to 201,648.75, 278,275.28 and 112,245.87

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Solution

The fourth proportional to 201,648.75, 278,275.28 and 112,245.87 is: 154,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,648.75 : 278,275.28 = 112,245.87 : x
  2. Step 2: Convert to fraction form
    201,648.75/278,275.28 = 112,245.87/x
  3. Step 3: Cross multiply
    201,648.75x = 278,275.28 × 112,245.87
  4. Step 4: Simplify right side
    201,648.75x = 31,235,250,341.86
  5. Step 5: Solve for x
    x = 31,235,250,341.86/201,648.75
  6. Step 6: Final answer
    x = 154,899.30

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