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Finding the Fourth Proportional to 125,088.56, 187,631.66 and 54,061.42

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Solution

The fourth proportional to 125,088.56, 187,631.66 and 54,061.42 is: 81,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,088.56 : 187,631.66 = 54,061.42 : x
  2. Step 2: Convert to fraction form
    125,088.56/187,631.66 = 54,061.42/x
  3. Step 3: Cross multiply
    125,088.56x = 187,631.66 × 54,061.42
  4. Step 4: Simplify right side
    125,088.56x = 10,143,633,976.56
  5. Step 5: Solve for x
    x = 10,143,633,976.56/125,088.56
  6. Step 6: Final answer
    x = 81,091.62

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