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Finding the Fourth Proportional to 100,585.24, 138,749.89 and 62,793.88

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Solution

The fourth proportional to 100,585.24, 138,749.89 and 62,793.88 is: 86,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,585.24 : 138,749.89 = 62,793.88 : x
  2. Step 2: Convert to fraction form
    100,585.24/138,749.89 = 62,793.88/x
  3. Step 3: Cross multiply
    100,585.24x = 138,749.89 × 62,793.88
  4. Step 4: Simplify right side
    100,585.24x = 8,712,643,942.67
  5. Step 5: Solve for x
    x = 8,712,643,942.67/100,585.24
  6. Step 6: Final answer
    x = 86,619.51

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