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Finding the Fourth Proportional to 118,388.91, 163,374.01 and 64,674.16

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Solution

The fourth proportional to 118,388.91, 163,374.01 and 64,674.16 is: 89,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,388.91 : 163,374.01 = 64,674.16 : x
  2. Step 2: Convert to fraction form
    118,388.91/163,374.01 = 64,674.16/x
  3. Step 3: Cross multiply
    118,388.91x = 163,374.01 × 64,674.16
  4. Step 4: Simplify right side
    118,388.91x = 10,566,076,862.58
  5. Step 5: Solve for x
    x = 10,566,076,862.58/118,388.91
  6. Step 6: Final answer
    x = 89,248.87

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