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Finding the Fourth Proportional to 99,574.44, 137,463.50 and 67,478.61

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Solution

The fourth proportional to 99,574.44, 137,463.50 and 67,478.61 is: 93,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,574.44 : 137,463.50 = 67,478.61 : x
  2. Step 2: Convert to fraction form
    99,574.44/137,463.50 = 67,478.61/x
  3. Step 3: Cross multiply
    99,574.44x = 137,463.50 × 67,478.61
  4. Step 4: Simplify right side
    99,574.44x = 9,275,845,568.34
  5. Step 5: Solve for x
    x = 9,275,845,568.34/99,574.44
  6. Step 6: Final answer
    x = 93,154.89

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