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Finding the Fourth Proportional to 209,179.83, 288,670.40 and 113,686.53

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Solution

The fourth proportional to 209,179.83, 288,670.40 and 113,686.53 is: 156,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,179.83 : 288,670.40 = 113,686.53 : x
  2. Step 2: Convert to fraction form
    209,179.83/288,670.40 = 113,686.53/x
  3. Step 3: Cross multiply
    209,179.83x = 288,670.40 × 113,686.53
  4. Step 4: Simplify right side
    209,179.83x = 32,817,936,089.71
  5. Step 5: Solve for x
    x = 32,817,936,089.71/209,179.83
  6. Step 6: Final answer
    x = 156,888.63

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