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Finding the Fourth Proportional to 174,939.60, 262,409.40 and 161,422.80

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Solution

The fourth proportional to 174,939.60, 262,409.40 and 161,422.80 is: 242,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,939.60 : 262,409.40 = 161,422.80 : x
  2. Step 2: Convert to fraction form
    174,939.60/262,409.40 = 161,422.80/x
  3. Step 3: Cross multiply
    174,939.60x = 262,409.40 × 161,422.80
  4. Step 4: Simplify right side
    174,939.60x = 42,358,860,094.32
  5. Step 5: Solve for x
    x = 42,358,860,094.32/174,939.60
  6. Step 6: Final answer
    x = 242,134.20

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