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Finding the Fourth Proportional to 342,856.63, 514,318.79 and 118,187.47

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Solution

The fourth proportional to 342,856.63, 514,318.79 and 118,187.47 is: 177,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,856.63 : 514,318.79 = 118,187.47 : x
  2. Step 2: Convert to fraction form
    342,856.63/514,318.79 = 118,187.47/x
  3. Step 3: Cross multiply
    342,856.63x = 514,318.79 × 118,187.47
  4. Step 4: Simplify right side
    342,856.63x = 60,786,036,563.56
  5. Step 5: Solve for x
    x = 60,786,036,563.56/342,856.63
  6. Step 6: Final answer
    x = 177,292.87

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