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Finding the Fourth Proportional to 216,178.97, 324,465.23 and 115,061.91

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Solution

The fourth proportional to 216,178.97, 324,465.23 and 115,061.91 is: 172,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,178.97 : 324,465.23 = 115,061.91 : x
  2. Step 2: Convert to fraction form
    216,178.97/324,465.23 = 115,061.91/x
  3. Step 3: Cross multiply
    216,178.97x = 324,465.23 × 115,061.91
  4. Step 4: Simplify right side
    216,178.97x = 37,333,589,988.42
  5. Step 5: Solve for x
    x = 37,333,589,988.42/216,178.97
  6. Step 6: Final answer
    x = 172,697.60

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