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Finding the Fourth Proportional to 124,499.70, 186,749.55 and 102,629.70

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Solution

The fourth proportional to 124,499.70, 186,749.55 and 102,629.70 is: 153,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499.70 : 186,749.55 = 102,629.70 : x
  2. Step 2: Convert to fraction form
    124,499.70/186,749.55 = 102,629.70/x
  3. Step 3: Cross multiply
    124,499.70x = 186,749.55 × 102,629.70
  4. Step 4: Simplify right side
    124,499.70x = 19,166,050,291.64
  5. Step 5: Solve for x
    x = 19,166,050,291.64/124,499.70
  6. Step 6: Final answer
    x = 153,944.55

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