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Finding the Fourth Proportional to 171,378.84, 256,733.46 and 118,061.40

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Solution

The fourth proportional to 171,378.84, 256,733.46 and 118,061.40 is: 176,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,378.84 : 256,733.46 = 118,061.40 : x
  2. Step 2: Convert to fraction form
    171,378.84/256,733.46 = 118,061.40/x
  3. Step 3: Cross multiply
    171,378.84x = 256,733.46 × 118,061.40
  4. Step 4: Simplify right side
    171,378.84x = 30,310,311,714.44
  5. Step 5: Solve for x
    x = 30,310,311,714.44/171,378.84
  6. Step 6: Final answer
    x = 176,861.46

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