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Finding the Fourth Proportional to 141,532.05, 212,123.12 and 71,373.09

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Solution

The fourth proportional to 141,532.05, 212,123.12 and 71,373.09 is: 106,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,532.05 : 212,123.12 = 71,373.09 : x
  2. Step 2: Convert to fraction form
    141,532.05/212,123.12 = 71,373.09/x
  3. Step 3: Cross multiply
    141,532.05x = 212,123.12 × 71,373.09
  4. Step 4: Simplify right side
    141,532.05x = 15,139,882,177.98
  5. Step 5: Solve for x
    x = 15,139,882,177.98/141,532.05
  6. Step 6: Final answer
    x = 106,971.40

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