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Finding the Fourth Proportional to 115,871.90, 173,872.65 and 49,300.70

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Solution

The fourth proportional to 115,871.90, 173,872.65 and 49,300.70 is: 73,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,871.90 : 173,872.65 = 49,300.70 : x
  2. Step 2: Convert to fraction form
    115,871.90/173,872.65 = 49,300.70/x
  3. Step 3: Cross multiply
    115,871.90x = 173,872.65 × 49,300.70
  4. Step 4: Simplify right side
    115,871.90x = 8,572,043,355.86
  5. Step 5: Solve for x
    x = 8,572,043,355.86/115,871.90
  6. Step 6: Final answer
    x = 73,978.62

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