Home / 171,227.52-256,892.16-82,455.36

Finding the Fourth Proportional to 171,227.52, 256,892.16 and 82,455.36

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Solution

The fourth proportional to 171,227.52, 256,892.16 and 82,455.36 is: 123,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,227.52 : 256,892.16 = 82,455.36 : x
  2. Step 2: Convert to fraction form
    171,227.52/256,892.16 = 82,455.36/x
  3. Step 3: Cross multiply
    171,227.52x = 256,892.16 × 82,455.36
  4. Step 4: Simplify right side
    171,227.52x = 21,182,135,533.98
  5. Step 5: Solve for x
    x = 21,182,135,533.98/171,227.52
  6. Step 6: Final answer
    x = 123,707.54

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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.