Home / 171,113.31-256,282.38-82,430.46

Finding the Fourth Proportional to 171,113.31, 256,282.38 and 82,430.46

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Solution

The fourth proportional to 171,113.31, 256,282.38 and 82,430.46 is: 123,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,113.31 : 256,282.38 = 82,430.46 : x
  2. Step 2: Convert to fraction form
    171,113.31/256,282.38 = 82,430.46/x
  3. Step 3: Cross multiply
    171,113.31x = 256,282.38 × 82,430.46
  4. Step 4: Simplify right side
    171,113.31x = 21,125,474,473.29
  5. Step 5: Solve for x
    x = 21,125,474,473.29/171,113.31
  6. Step 6: Final answer
    x = 123,458.98

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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.