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Finding the Fourth Proportional to 209,148.42, 288,624.60 and 113,654.91

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Solution

The fourth proportional to 209,148.42, 288,624.60 and 113,654.91 is: 156,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,148.42 : 288,624.60 = 113,654.91 : x
  2. Step 2: Convert to fraction form
    209,148.42/288,624.60 = 113,654.91/x
  3. Step 3: Cross multiply
    209,148.42x = 288,624.60 × 113,654.91
  4. Step 4: Simplify right side
    209,148.42x = 32,803,602,936.79
  5. Step 5: Solve for x
    x = 32,803,602,936.79/209,148.42
  6. Step 6: Final answer
    x = 156,843.66

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