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Finding the Fourth Proportional to 138,746.49, 191,470.74 and 75,084.29

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Solution

The fourth proportional to 138,746.49, 191,470.74 and 75,084.29 is: 103,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,746.49 : 191,470.74 = 75,084.29 : x
  2. Step 2: Convert to fraction form
    138,746.49/191,470.74 = 75,084.29/x
  3. Step 3: Cross multiply
    138,746.49x = 191,470.74 × 75,084.29
  4. Step 4: Simplify right side
    138,746.49x = 14,376,443,611.32
  5. Step 5: Solve for x
    x = 14,376,443,611.32/138,746.49
  6. Step 6: Final answer
    x = 103,616.63

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