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Finding the Fourth Proportional to 125,978.51, 173,847.74 and 68,618.48

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Solution

The fourth proportional to 125,978.51, 173,847.74 and 68,618.48 is: 94,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,978.51 : 173,847.74 = 68,618.48 : x
  2. Step 2: Convert to fraction form
    125,978.51/173,847.74 = 68,618.48/x
  3. Step 3: Cross multiply
    125,978.51x = 173,847.74 × 68,618.48
  4. Step 4: Simplify right side
    125,978.51x = 11,929,166,457.90
  5. Step 5: Solve for x
    x = 11,929,166,457.90/125,978.51
  6. Step 6: Final answer
    x = 94,692.07

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