Home / 154,896.40-231,970.35-88,134.28

Finding the Fourth Proportional to 154,896.40, 231,970.35 and 88,134.28

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Solution

The fourth proportional to 154,896.40, 231,970.35 and 88,134.28 is: 131,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,896.40 : 231,970.35 = 88,134.28 : x
  2. Step 2: Convert to fraction form
    154,896.40/231,970.35 = 88,134.28/x
  3. Step 3: Cross multiply
    154,896.40x = 231,970.35 × 88,134.28
  4. Step 4: Simplify right side
    154,896.40x = 20,444,539,778.60
  5. Step 5: Solve for x
    x = 20,444,539,778.60/154,896.40
  6. Step 6: Final answer
    x = 131,988.48

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