Home / 99,109.07-136,771.50-53,787.44

Finding the Fourth Proportional to 99,109.07, 136,771.50 and 53,787.44

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Solution

The fourth proportional to 99,109.07, 136,771.50 and 53,787.44 is: 74,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,109.07 : 136,771.50 = 53,787.44 : x
  2. Step 2: Convert to fraction form
    99,109.07/136,771.50 = 53,787.44/x
  3. Step 3: Cross multiply
    99,109.07x = 136,771.50 × 53,787.44
  4. Step 4: Simplify right side
    99,109.07x = 7,356,589,393.59
  5. Step 5: Solve for x
    x = 7,356,589,393.59/99,109.07
  6. Step 6: Final answer
    x = 74,227.21

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