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Finding the Fourth Proportional to 102,947.40, 154,432.62 and 32,810.76

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Solution

The fourth proportional to 102,947.40, 154,432.62 and 32,810.76 is: 49,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,947.40 : 154,432.62 = 32,810.76 : x
  2. Step 2: Convert to fraction form
    102,947.40/154,432.62 = 32,810.76/x
  3. Step 3: Cross multiply
    102,947.40x = 154,432.62 × 32,810.76
  4. Step 4: Simplify right side
    102,947.40x = 5,067,051,630.99
  5. Step 5: Solve for x
    x = 5,067,051,630.99/102,947.40
  6. Step 6: Final answer
    x = 49,219.81

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