Home / 87,422.10-131,133.15-85,964.10

Finding the Fourth Proportional to 87,422.10, 131,133.15 and 85,964.10

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Solution

The fourth proportional to 87,422.10, 131,133.15 and 85,964.10 is: 128,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422.10 : 131,133.15 = 85,964.10 : x
  2. Step 2: Convert to fraction form
    87,422.10/131,133.15 = 85,964.10/x
  3. Step 3: Cross multiply
    87,422.10x = 131,133.15 × 85,964.10
  4. Step 4: Simplify right side
    87,422.10x = 11,272,743,219.92
  5. Step 5: Solve for x
    x = 11,272,743,219.92/87,422.10
  6. Step 6: Final answer
    x = 128,946.15

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