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Finding the Fourth Proportional to 152,438.80, 228,917.40 and 113,040.40

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Solution

The fourth proportional to 152,438.80, 228,917.40 and 113,040.40 is: 169,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,438.80 : 228,917.40 = 113,040.40 : x
  2. Step 2: Convert to fraction form
    152,438.80/228,917.40 = 113,040.40/x
  3. Step 3: Cross multiply
    152,438.80x = 228,917.40 × 113,040.40
  4. Step 4: Simplify right side
    152,438.80x = 25,876,914,462.96
  5. Step 5: Solve for x
    x = 25,876,914,462.96/152,438.80
  6. Step 6: Final answer
    x = 169,752.81

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