Home / 87,133.43-120,243.89-48,377.17

Finding the Fourth Proportional to 87,133.43, 120,243.89 and 48,377.17

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Solution

The fourth proportional to 87,133.43, 120,243.89 and 48,377.17 is: 66,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,133.43 : 120,243.89 = 48,377.17 : x
  2. Step 2: Convert to fraction form
    87,133.43/120,243.89 = 48,377.17/x
  3. Step 3: Cross multiply
    87,133.43x = 120,243.89 × 48,377.17
  4. Step 4: Simplify right side
    87,133.43x = 5,817,058,866.11
  5. Step 5: Solve for x
    x = 5,817,058,866.11/87,133.43
  6. Step 6: Final answer
    x = 66,760.36

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