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Finding the Fourth Proportional to 99,596.43, 137,443.08 and 54,274.40

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Solution

The fourth proportional to 99,596.43, 137,443.08 and 54,274.40 is: 74,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.43 : 137,443.08 = 54,274.40 : x
  2. Step 2: Convert to fraction form
    99,596.43/137,443.08 = 54,274.40/x
  3. Step 3: Cross multiply
    99,596.43x = 137,443.08 × 54,274.40
  4. Step 4: Simplify right side
    99,596.43x = 7,459,640,013.94
  5. Step 5: Solve for x
    x = 7,459,640,013.94/99,596.43
  6. Step 6: Final answer
    x = 74,898.67

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