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Finding the Fourth Proportional to 92,191.40, 138,308.49 and 29,009.88

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Solution

The fourth proportional to 92,191.40, 138,308.49 and 29,009.88 is: 43,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,191.40 : 138,308.49 = 29,009.88 : x
  2. Step 2: Convert to fraction form
    92,191.40/138,308.49 = 29,009.88/x
  3. Step 3: Cross multiply
    92,191.40x = 138,308.49 × 29,009.88
  4. Step 4: Simplify right side
    92,191.40x = 4,012,312,697.88
  5. Step 5: Solve for x
    x = 4,012,312,697.88/92,191.40
  6. Step 6: Final answer
    x = 43,521.55

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