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Finding the Fourth Proportional to 118,156.06, 163,056.72 and 64,440.91

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Solution

The fourth proportional to 118,156.06, 163,056.72 and 64,440.91 is: 88,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,156.06 : 163,056.72 = 64,440.91 : x
  2. Step 2: Convert to fraction form
    118,156.06/163,056.72 = 64,440.91/x
  3. Step 3: Cross multiply
    118,156.06x = 163,056.72 × 64,440.91
  4. Step 4: Simplify right side
    118,156.06x = 10,507,523,418.42
  5. Step 5: Solve for x
    x = 10,507,523,418.42/118,156.06
  6. Step 6: Final answer
    x = 88,929.20

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