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Finding the Fourth Proportional to 115,113.12, 158,844.80 and 64,124.16

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Solution

The fourth proportional to 115,113.12, 158,844.80 and 64,124.16 is: 88,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113.12 : 158,844.80 = 64,124.16 : x
  2. Step 2: Convert to fraction form
    115,113.12/158,844.80 = 64,124.16/x
  3. Step 3: Cross multiply
    115,113.12x = 158,844.80 × 64,124.16
  4. Step 4: Simplify right side
    115,113.12x = 10,185,789,370.37
  5. Step 5: Solve for x
    x = 10,185,789,370.37/115,113.12
  6. Step 6: Final answer
    x = 88,485.04

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