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Finding the Fourth Proportional to 209,050.71, 288,530.41 and 136,327.34

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Solution

The fourth proportional to 209,050.71, 288,530.41 and 136,327.34 is: 188,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,050.71 : 288,530.41 = 136,327.34 : x
  2. Step 2: Convert to fraction form
    209,050.71/288,530.41 = 136,327.34/x
  3. Step 3: Cross multiply
    209,050.71x = 288,530.41 × 136,327.34
  4. Step 4: Simplify right side
    209,050.71x = 39,334,583,304.41
  5. Step 5: Solve for x
    x = 39,334,583,304.41/209,050.71
  6. Step 6: Final answer
    x = 188,158.09

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