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Finding the Fourth Proportional to 170,069.76, 255,565.44 and 91,240.64

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Solution

The fourth proportional to 170,069.76, 255,565.44 and 91,240.64 is: 137,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,069.76 : 255,565.44 = 91,240.64 : x
  2. Step 2: Convert to fraction form
    170,069.76/255,565.44 = 91,240.64/x
  3. Step 3: Cross multiply
    170,069.76x = 255,565.44 × 91,240.64
  4. Step 4: Simplify right side
    170,069.76x = 23,317,954,307.48
  5. Step 5: Solve for x
    x = 23,317,954,307.48/170,069.76
  6. Step 6: Final answer
    x = 137,108.17

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