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Finding the Fourth Proportional to 92,443.98, 138,645.72 and 45,038.73

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Solution

The fourth proportional to 92,443.98, 138,645.72 and 45,038.73 is: 67,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.98 : 138,645.72 = 45,038.73 : x
  2. Step 2: Convert to fraction form
    92,443.98/138,645.72 = 45,038.73/x
  3. Step 3: Cross multiply
    92,443.98x = 138,645.72 × 45,038.73
  4. Step 4: Simplify right side
    92,443.98x = 6,244,427,148.74
  5. Step 5: Solve for x
    x = 6,244,427,148.74/92,443.98
  6. Step 6: Final answer
    x = 67,548.23

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