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Finding the Fourth Proportional to 112,887.53, 155,786.54 and 61,904.91

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Solution

The fourth proportional to 112,887.53, 155,786.54 and 61,904.91 is: 85,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887.53 : 155,786.54 = 61,904.91 : x
  2. Step 2: Convert to fraction form
    112,887.53/155,786.54 = 61,904.91/x
  3. Step 3: Cross multiply
    112,887.53x = 155,786.54 × 61,904.91
  4. Step 4: Simplify right side
    112,887.53x = 9,643,951,428.39
  5. Step 5: Solve for x
    x = 9,643,951,428.39/112,887.53
  6. Step 6: Final answer
    x = 85,429.74

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