Home / 170,789.36-256,193.37-70,959.64

Finding the Fourth Proportional to 170,789.36, 256,193.37 and 70,959.64

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Solution

The fourth proportional to 170,789.36, 256,193.37 and 70,959.64 is: 106,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,789.36 : 256,193.37 = 70,959.64 : x
  2. Step 2: Convert to fraction form
    170,789.36/256,193.37 = 70,959.64/x
  3. Step 3: Cross multiply
    170,789.36x = 256,193.37 × 70,959.64
  4. Step 4: Simplify right side
    170,789.36x = 18,179,388,665.10
  5. Step 5: Solve for x
    x = 18,179,388,665.10/170,789.36
  6. Step 6: Final answer
    x = 106,443.34

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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.