Home / 215,623.56-323,420.18-80,661.88

Finding the Fourth Proportional to 215,623.56, 323,420.18 and 80,661.88

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Solution

The fourth proportional to 215,623.56, 323,420.18 and 80,661.88 is: 120,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,623.56 : 323,420.18 = 80,661.88 : x
  2. Step 2: Convert to fraction form
    215,623.56/323,420.18 = 80,661.88/x
  3. Step 3: Cross multiply
    215,623.56x = 323,420.18 × 80,661.88
  4. Step 4: Simplify right side
    215,623.56x = 26,087,679,748.74
  5. Step 5: Solve for x
    x = 26,087,679,748.74/215,623.56
  6. Step 6: Final answer
    x = 120,987.15

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