Home / 115,529.18-159,428.52-64,542.65

Finding the Fourth Proportional to 115,529.18, 159,428.52 and 64,542.65

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Solution

The fourth proportional to 115,529.18, 159,428.52 and 64,542.65 is: 89,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.18 : 159,428.52 = 64,542.65 : x
  2. Step 2: Convert to fraction form
    115,529.18/159,428.52 = 64,542.65/x
  3. Step 3: Cross multiply
    115,529.18x = 159,428.52 × 64,542.65
  4. Step 4: Simplify right side
    115,529.18x = 10,289,938,369.24
  5. Step 5: Solve for x
    x = 10,289,938,369.24/115,529.18
  6. Step 6: Final answer
    x = 89,067.88

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