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Finding the Fourth Proportional to 151,344.86, 208,855.89 and 87,719.57

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Solution

The fourth proportional to 151,344.86, 208,855.89 and 87,719.57 is: 121,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,344.86 : 208,855.89 = 87,719.57 : x
  2. Step 2: Convert to fraction form
    151,344.86/208,855.89 = 87,719.57/x
  3. Step 3: Cross multiply
    151,344.86x = 208,855.89 × 87,719.57
  4. Step 4: Simplify right side
    151,344.86x = 18,320,747,818.49
  5. Step 5: Solve for x
    x = 18,320,747,818.49/151,344.86
  6. Step 6: Final answer
    x = 121,052.99

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