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Finding the Fourth Proportional to 118,618.64, 177,731.11 and 83,484.48

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Solution

The fourth proportional to 118,618.64, 177,731.11 and 83,484.48 is: 125,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.64 : 177,731.11 = 83,484.48 : x
  2. Step 2: Convert to fraction form
    118,618.64/177,731.11 = 83,484.48/x
  3. Step 3: Cross multiply
    118,618.64x = 177,731.11 × 83,484.48
  4. Step 4: Simplify right side
    118,618.64x = 14,837,789,298.17
  5. Step 5: Solve for x
    x = 14,837,789,298.17/118,618.64
  6. Step 6: Final answer
    x = 125,088.18

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