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Finding the Fourth Proportional to 144,168.84, 198,944.76 and 86,091.12

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Solution

The fourth proportional to 144,168.84, 198,944.76 and 86,091.12 is: 118,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,168.84 : 198,944.76 = 86,091.12 : x
  2. Step 2: Convert to fraction form
    144,168.84/198,944.76 = 86,091.12/x
  3. Step 3: Cross multiply
    144,168.84x = 198,944.76 × 86,091.12
  4. Step 4: Simplify right side
    144,168.84x = 17,127,376,460.49
  5. Step 5: Solve for x
    x = 17,127,376,460.49/144,168.84
  6. Step 6: Final answer
    x = 118,800.82

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