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Finding the Fourth Proportional to 138,061.84, 190,864.86 and 136,798.85

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Solution

The fourth proportional to 138,061.84, 190,864.86 and 136,798.85 is: 189,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,061.84 : 190,864.86 = 136,798.85 : x
  2. Step 2: Convert to fraction form
    138,061.84/190,864.86 = 136,798.85/x
  3. Step 3: Cross multiply
    138,061.84x = 190,864.86 × 136,798.85
  4. Step 4: Simplify right side
    138,061.84x = 26,110,092,399.09
  5. Step 5: Solve for x
    x = 26,110,092,399.09/138,061.84
  6. Step 6: Final answer
    x = 189,118.83

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