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Finding the Fourth Proportional to 170,722.43, 235,676.67 and 99,088.61

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Solution

The fourth proportional to 170,722.43, 235,676.67 and 99,088.61 is: 136,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,722.43 : 235,676.67 = 99,088.61 : x
  2. Step 2: Convert to fraction form
    170,722.43/235,676.67 = 99,088.61/x
  3. Step 3: Cross multiply
    170,722.43x = 235,676.67 × 99,088.61
  4. Step 4: Simplify right side
    170,722.43x = 23,352,873,639.73
  5. Step 5: Solve for x
    x = 23,352,873,639.73/170,722.43
  6. Step 6: Final answer
    x = 136,788.55

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