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Finding the Fourth Proportional to 124,658.60, 186,930.30 and 54,501.80

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Solution

The fourth proportional to 124,658.60, 186,930.30 and 54,501.80 is: 81,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,658.60 : 186,930.30 = 54,501.80 : x
  2. Step 2: Convert to fraction form
    124,658.60/186,930.30 = 54,501.80/x
  3. Step 3: Cross multiply
    124,658.60x = 186,930.30 × 54,501.80
  4. Step 4: Simplify right side
    124,658.60x = 10,188,037,824.54
  5. Step 5: Solve for x
    x = 10,188,037,824.54/124,658.60
  6. Step 6: Final answer
    x = 81,727.52

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