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Finding the Fourth Proportional to 116,561.15, 160,699.55 and 76,205.54

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Solution

The fourth proportional to 116,561.15, 160,699.55 and 76,205.54 is: 105,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,561.15 : 160,699.55 = 76,205.54 : x
  2. Step 2: Convert to fraction form
    116,561.15/160,699.55 = 76,205.54/x
  3. Step 3: Cross multiply
    116,561.15x = 160,699.55 × 76,205.54
  4. Step 4: Simplify right side
    116,561.15x = 12,246,195,530.95
  5. Step 5: Solve for x
    x = 12,246,195,530.95/116,561.15
  6. Step 6: Final answer
    x = 105,062.41

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