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Finding the Fourth Proportional to 116,320.88, 160,520.64 and 65,334.08

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Solution

The fourth proportional to 116,320.88, 160,520.64 and 65,334.08 is: 90,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,320.88 : 160,520.64 = 65,334.08 : x
  2. Step 2: Convert to fraction form
    116,320.88/160,520.64 = 65,334.08/x
  3. Step 3: Cross multiply
    116,320.88x = 160,520.64 × 65,334.08
  4. Step 4: Simplify right side
    116,320.88x = 10,487,468,335.41
  5. Step 5: Solve for x
    x = 10,487,468,335.41/116,320.88
  6. Step 6: Final answer
    x = 90,159.81

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