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Finding the Fourth Proportional to 125,333.28, 172,970.87 and 68,755.59

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Solution

The fourth proportional to 125,333.28, 172,970.87 and 68,755.59 is: 94,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,333.28 : 172,970.87 = 68,755.59 : x
  2. Step 2: Convert to fraction form
    125,333.28/172,970.87 = 68,755.59/x
  3. Step 3: Cross multiply
    125,333.28x = 172,970.87 × 68,755.59
  4. Step 4: Simplify right side
    125,333.28x = 11,892,713,875.89
  5. Step 5: Solve for x
    x = 11,892,713,875.89/125,333.28
  6. Step 6: Final answer
    x = 94,888.71

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