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Finding the Fourth Proportional to 92,551.28, 138,809.30 and 45,118.76

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Solution

The fourth proportional to 92,551.28, 138,809.30 and 45,118.76 is: 67,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,551.28 : 138,809.30 = 45,118.76 : x
  2. Step 2: Convert to fraction form
    92,551.28/138,809.30 = 45,118.76/x
  3. Step 3: Cross multiply
    92,551.28x = 138,809.30 × 45,118.76
  4. Step 4: Simplify right side
    92,551.28x = 6,262,902,572.83
  5. Step 5: Solve for x
    x = 6,262,902,572.83/92,551.28
  6. Step 6: Final answer
    x = 67,669.54

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