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Finding the Fourth Proportional to 118,258.70, 177,592.85 and 83,442.70

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Solution

The fourth proportional to 118,258.70, 177,592.85 and 83,442.70 is: 125,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.70 : 177,592.85 = 83,442.70 : x
  2. Step 2: Convert to fraction form
    118,258.70/177,592.85 = 83,442.70/x
  3. Step 3: Cross multiply
    118,258.70x = 177,592.85 × 83,442.70
  4. Step 4: Simplify right side
    118,258.70x = 14,818,826,904.70
  5. Step 5: Solve for x
    x = 14,818,826,904.70/118,258.70
  6. Step 6: Final answer
    x = 125,308.56

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