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Finding the Fourth Proportional to 83,455.32, 124,438.53 and 74,182.44

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Solution

The fourth proportional to 83,455.32, 124,438.53 and 74,182.44 is: 110,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,455.32 : 124,438.53 = 74,182.44 : x
  2. Step 2: Convert to fraction form
    83,455.32/124,438.53 = 74,182.44/x
  3. Step 3: Cross multiply
    83,455.32x = 124,438.53 × 74,182.44
  4. Step 4: Simplify right side
    83,455.32x = 9,231,153,785.41
  5. Step 5: Solve for x
    x = 9,231,153,785.41/83,455.32
  6. Step 6: Final answer
    x = 110,611.93

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