Home / 155,039.20-213,951.37-87,056.71

Finding the Fourth Proportional to 155,039.20, 213,951.37 and 87,056.71

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Solution

The fourth proportional to 155,039.20, 213,951.37 and 87,056.71 is: 120,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,039.20 : 213,951.37 = 87,056.71 : x
  2. Step 2: Convert to fraction form
    155,039.20/213,951.37 = 87,056.71/x
  3. Step 3: Cross multiply
    155,039.20x = 213,951.37 × 87,056.71
  4. Step 4: Simplify right side
    155,039.20x = 18,625,902,372.19
  5. Step 5: Solve for x
    x = 18,625,902,372.19/155,039.20
  6. Step 6: Final answer
    x = 120,136.73

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