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Finding the Fourth Proportional to 115,265.25, 159,070.91 and 64,964.25

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Solution

The fourth proportional to 115,265.25, 159,070.91 and 64,964.25 is: 89,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.25 : 159,070.91 = 64,964.25 : x
  2. Step 2: Convert to fraction form
    115,265.25/159,070.91 = 64,964.25/x
  3. Step 3: Cross multiply
    115,265.25x = 159,070.91 × 64,964.25
  4. Step 4: Simplify right side
    115,265.25x = 10,333,922,040.15
  5. Step 5: Solve for x
    x = 10,333,922,040.15/115,265.25
  6. Step 6: Final answer
    x = 89,653.40

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