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Finding the Fourth Proportional to 119,340.78, 164,690.19 and 65,626.62

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Solution

The fourth proportional to 119,340.78, 164,690.19 and 65,626.62 is: 90,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,340.78 : 164,690.19 = 65,626.62 : x
  2. Step 2: Convert to fraction form
    119,340.78/164,690.19 = 65,626.62/x
  3. Step 3: Cross multiply
    119,340.78x = 164,690.19 × 65,626.62
  4. Step 4: Simplify right side
    119,340.78x = 10,808,060,516.86
  5. Step 5: Solve for x
    x = 10,808,060,516.86/119,340.78
  6. Step 6: Final answer
    x = 90,564.69

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