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Finding the Fourth Proportional to 170,349.20, 255,573.12 and 70,490.96

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Solution

The fourth proportional to 170,349.20, 255,573.12 and 70,490.96 is: 105,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,349.20 : 255,573.12 = 70,490.96 : x
  2. Step 2: Convert to fraction form
    170,349.20/255,573.12 = 70,490.96/x
  3. Step 3: Cross multiply
    170,349.20x = 255,573.12 × 70,490.96
  4. Step 4: Simplify right side
    170,349.20x = 18,015,594,579.00
  5. Step 5: Solve for x
    x = 18,015,594,579.00/170,349.20
  6. Step 6: Final answer
    x = 105,756.85

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