Home / 212,927.10-319,269.15-79,811.70

Finding the Fourth Proportional to 212,927.10, 319,269.15 and 79,811.70

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Solution

The fourth proportional to 212,927.10, 319,269.15 and 79,811.70 is: 119,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,927.10 : 319,269.15 = 79,811.70 : x
  2. Step 2: Convert to fraction form
    212,927.10/319,269.15 = 79,811.70/x
  3. Step 3: Cross multiply
    212,927.10x = 319,269.15 × 79,811.70
  4. Step 4: Simplify right side
    212,927.10x = 25,481,413,619.06
  5. Step 5: Solve for x
    x = 25,481,413,619.06/212,927.10
  6. Step 6: Final answer
    x = 119,672.01

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