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Finding the Fourth Proportional to 83,438.70, 125,145.90 and 24,268.20

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Solution

The fourth proportional to 83,438.70, 125,145.90 and 24,268.20 is: 36,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,438.70 : 125,145.90 = 24,268.20 : x
  2. Step 2: Convert to fraction form
    83,438.70/125,145.90 = 24,268.20/x
  3. Step 3: Cross multiply
    83,438.70x = 125,145.90 × 24,268.20
  4. Step 4: Simplify right side
    83,438.70x = 3,037,065,730.38
  5. Step 5: Solve for x
    x = 3,037,065,730.38/83,438.70
  6. Step 6: Final answer
    x = 36,398.77

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