Home / 115,749.23-159,740.15-64,758.92

Finding the Fourth Proportional to 115,749.23, 159,740.15 and 64,758.92

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Solution

The fourth proportional to 115,749.23, 159,740.15 and 64,758.92 is: 89,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,749.23 : 159,740.15 = 64,758.92 : x
  2. Step 2: Convert to fraction form
    115,749.23/159,740.15 = 64,758.92/x
  3. Step 3: Cross multiply
    115,749.23x = 159,740.15 × 64,758.92
  4. Step 4: Simplify right side
    115,749.23x = 10,344,598,472.14
  5. Step 5: Solve for x
    x = 10,344,598,472.14/115,749.23
  6. Step 6: Final answer
    x = 89,370.78

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