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Finding the Fourth Proportional to 92,587.56, 138,827.84 and 81,516.48

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Solution

The fourth proportional to 92,587.56, 138,827.84 and 81,516.48 is: 122,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,587.56 : 138,827.84 = 81,516.48 : x
  2. Step 2: Convert to fraction form
    92,587.56/138,827.84 = 81,516.48/x
  3. Step 3: Cross multiply
    92,587.56x = 138,827.84 × 81,516.48
  4. Step 4: Simplify right side
    92,587.56x = 11,316,756,842.80
  5. Step 5: Solve for x
    x = 11,316,756,842.80/92,587.56
  6. Step 6: Final answer
    x = 122,227.62

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