Home / 170,940.30-256,410.45-117,796.20

Finding the Fourth Proportional to 170,940.30, 256,410.45 and 117,796.20

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Solution

The fourth proportional to 170,940.30, 256,410.45 and 117,796.20 is: 176,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,940.30 : 256,410.45 = 117,796.20 : x
  2. Step 2: Convert to fraction form
    170,940.30/256,410.45 = 117,796.20/x
  3. Step 3: Cross multiply
    170,940.30x = 256,410.45 × 117,796.20
  4. Step 4: Simplify right side
    170,940.30x = 30,204,176,650.29
  5. Step 5: Solve for x
    x = 30,204,176,650.29/170,940.30
  6. Step 6: Final answer
    x = 176,694.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.