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Finding the Fourth Proportional to 173,866.30, 260,722.65 and 80,400.70

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Solution

The fourth proportional to 173,866.30, 260,722.65 and 80,400.70 is: 120,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,866.30 : 260,722.65 = 80,400.70 : x
  2. Step 2: Convert to fraction form
    173,866.30/260,722.65 = 80,400.70/x
  3. Step 3: Cross multiply
    173,866.30x = 260,722.65 × 80,400.70
  4. Step 4: Simplify right side
    173,866.30x = 20,962,283,565.86
  5. Step 5: Solve for x
    x = 20,962,283,565.86/173,866.30
  6. Step 6: Final answer
    x = 120,565.54

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