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Finding the Fourth Proportional to 104,643.70, 156,965.55 and 52,155.70

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Solution

The fourth proportional to 104,643.70, 156,965.55 and 52,155.70 is: 78,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.70 : 156,965.55 = 52,155.70 : x
  2. Step 2: Convert to fraction form
    104,643.70/156,965.55 = 52,155.70/x
  3. Step 3: Cross multiply
    104,643.70x = 156,965.55 × 52,155.70
  4. Step 4: Simplify right side
    104,643.70x = 8,186,648,136.14
  5. Step 5: Solve for x
    x = 8,186,648,136.14/104,643.70
  6. Step 6: Final answer
    x = 78,233.55

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