Home / 131,849.56-181,944.66-78,139.72

Finding the Fourth Proportional to 131,849.56, 181,944.66 and 78,139.72

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Solution

The fourth proportional to 131,849.56, 181,944.66 and 78,139.72 is: 107,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,849.56 : 181,944.66 = 78,139.72 : x
  2. Step 2: Convert to fraction form
    131,849.56/181,944.66 = 78,139.72/x
  3. Step 3: Cross multiply
    131,849.56x = 181,944.66 × 78,139.72
  4. Step 4: Simplify right side
    131,849.56x = 14,217,104,787.90
  5. Step 5: Solve for x
    x = 14,217,104,787.90/131,849.56
  6. Step 6: Final answer
    x = 107,828.23

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