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Finding the Fourth Proportional to 216,618.10, 299,023.95 and 131,764.66

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Solution

The fourth proportional to 216,618.10, 299,023.95 and 131,764.66 is: 181,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,618.10 : 299,023.95 = 131,764.66 : x
  2. Step 2: Convert to fraction form
    216,618.10/299,023.95 = 131,764.66/x
  3. Step 3: Cross multiply
    216,618.10x = 299,023.95 × 131,764.66
  4. Step 4: Simplify right side
    216,618.10x = 39,400,788,850.16
  5. Step 5: Solve for x
    x = 39,400,788,850.16/216,618.10
  6. Step 6: Final answer
    x = 181,890.57

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