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Finding the Fourth Proportional to 118,025.80, 177,038.70 and 113,360.20

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Solution

The fourth proportional to 118,025.80, 177,038.70 and 113,360.20 is: 170,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025.80 : 177,038.70 = 113,360.20 : x
  2. Step 2: Convert to fraction form
    118,025.80/177,038.70 = 113,360.20/x
  3. Step 3: Cross multiply
    118,025.80x = 177,038.70 × 113,360.20
  4. Step 4: Simplify right side
    118,025.80x = 20,069,142,439.74
  5. Step 5: Solve for x
    x = 20,069,142,439.74/118,025.80
  6. Step 6: Final answer
    x = 170,040.30

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