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Finding the Fourth Proportional to 175,088.60, 262,632.90 and 81,603.80

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Solution

The fourth proportional to 175,088.60, 262,632.90 and 81,603.80 is: 122,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,088.60 : 262,632.90 = 81,603.80 : x
  2. Step 2: Convert to fraction form
    175,088.60/262,632.90 = 81,603.80/x
  3. Step 3: Cross multiply
    175,088.60x = 262,632.90 × 81,603.80
  4. Step 4: Simplify right side
    175,088.60x = 21,431,842,645.02
  5. Step 5: Solve for x
    x = 21,431,842,645.02/175,088.60
  6. Step 6: Final answer
    x = 122,405.70

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