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Finding the Fourth Proportional to 118,230.80, 177,346.20 and 113,565.20

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Solution

The fourth proportional to 118,230.80, 177,346.20 and 113,565.20 is: 170,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.80 : 177,346.20 = 113,565.20 : x
  2. Step 2: Convert to fraction form
    118,230.80/177,346.20 = 113,565.20/x
  3. Step 3: Cross multiply
    118,230.80x = 177,346.20 × 113,565.20
  4. Step 4: Simplify right side
    118,230.80x = 20,140,356,672.24
  5. Step 5: Solve for x
    x = 20,140,356,672.24/118,230.80
  6. Step 6: Final answer
    x = 170,347.80

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