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Finding the Fourth Proportional to 134,381.20, 201,644.70 and 55,503.40

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Solution

The fourth proportional to 134,381.20, 201,644.70 and 55,503.40 is: 83,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,381.20 : 201,644.70 = 55,503.40 : x
  2. Step 2: Convert to fraction form
    134,381.20/201,644.70 = 55,503.40/x
  3. Step 3: Cross multiply
    134,381.20x = 201,644.70 × 55,503.40
  4. Step 4: Simplify right side
    134,381.20x = 11,191,966,441.98
  5. Step 5: Solve for x
    x = 11,191,966,441.98/134,381.20
  6. Step 6: Final answer
    x = 83,285.21

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