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Finding the Fourth Proportional to 208,844.70, 288,205.95 and 113,351.40

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Solution

The fourth proportional to 208,844.70, 288,205.95 and 113,351.40 is: 156,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.70 : 288,205.95 = 113,351.40 : x
  2. Step 2: Convert to fraction form
    208,844.70/288,205.95 = 113,351.40/x
  3. Step 3: Cross multiply
    208,844.70x = 288,205.95 × 113,351.40
  4. Step 4: Simplify right side
    208,844.70x = 32,668,547,920.83
  5. Step 5: Solve for x
    x = 32,668,547,920.83/208,844.70
  6. Step 6: Final answer
    x = 156,425.08

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