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Finding the Fourth Proportional to 115,330.13, 159,155.64 and 64,342.86

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Solution

The fourth proportional to 115,330.13, 159,155.64 and 64,342.86 is: 88,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,330.13 : 159,155.64 = 64,342.86 : x
  2. Step 2: Convert to fraction form
    115,330.13/159,155.64 = 64,342.86/x
  3. Step 3: Cross multiply
    115,330.13x = 159,155.64 × 64,342.86
  4. Step 4: Simplify right side
    115,330.13x = 10,240,529,062.73
  5. Step 5: Solve for x
    x = 10,240,529,062.73/115,330.13
  6. Step 6: Final answer
    x = 88,793.18

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