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Finding the Fourth Proportional to 92,013.70, 138,101.55 and 54,526.90

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Solution

The fourth proportional to 92,013.70, 138,101.55 and 54,526.90 is: 81,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,013.70 : 138,101.55 = 54,526.90 : x
  2. Step 2: Convert to fraction form
    92,013.70/138,101.55 = 54,526.90/x
  3. Step 3: Cross multiply
    92,013.70x = 138,101.55 × 54,526.90
  4. Step 4: Simplify right side
    92,013.70x = 7,530,249,406.70
  5. Step 5: Solve for x
    x = 7,530,249,406.70/92,013.70
  6. Step 6: Final answer
    x = 81,838.35

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