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Finding the Fourth Proportional to 111,570.76, 153,965.46 and 61,268.68

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Solution

The fourth proportional to 111,570.76, 153,965.46 and 61,268.68 is: 84,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570.76 : 153,965.46 = 61,268.68 : x
  2. Step 2: Convert to fraction form
    111,570.76/153,965.46 = 61,268.68/x
  3. Step 3: Cross multiply
    111,570.76x = 153,965.46 × 61,268.68
  4. Step 4: Simplify right side
    111,570.76x = 9,433,260,499.79
  5. Step 5: Solve for x
    x = 9,433,260,499.79/111,570.76
  6. Step 6: Final answer
    x = 84,549.58

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