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Finding the Fourth Proportional to 170,770.80, 256,156.20 and 118,282.80

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Solution

The fourth proportional to 170,770.80, 256,156.20 and 118,282.80 is: 177,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,770.80 : 256,156.20 = 118,282.80 : x
  2. Step 2: Convert to fraction form
    170,770.80/256,156.20 = 118,282.80/x
  3. Step 3: Cross multiply
    170,770.80x = 256,156.20 × 118,282.80
  4. Step 4: Simplify right side
    170,770.80x = 30,298,872,573.36
  5. Step 5: Solve for x
    x = 30,298,872,573.36/170,770.80
  6. Step 6: Final answer
    x = 177,424.20

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