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Finding the Fourth Proportional to 111,438.36, 153,784.71 and 63,718.02

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Solution

The fourth proportional to 111,438.36, 153,784.71 and 63,718.02 is: 87,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,438.36 : 153,784.71 = 63,718.02 : x
  2. Step 2: Convert to fraction form
    111,438.36/153,784.71 = 63,718.02/x
  3. Step 3: Cross multiply
    111,438.36x = 153,784.71 × 63,718.02
  4. Step 4: Simplify right side
    111,438.36x = 9,798,857,227.47
  5. Step 5: Solve for x
    x = 9,798,857,227.47/111,438.36
  6. Step 6: Final answer
    x = 87,930.74

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