Home / 171,011.25-256,406.31-92,182.05

Finding the Fourth Proportional to 171,011.25, 256,406.31 and 92,182.05

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Solution

The fourth proportional to 171,011.25, 256,406.31 and 92,182.05 is: 138,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,011.25 : 256,406.31 = 92,182.05 : x
  2. Step 2: Convert to fraction form
    171,011.25/256,406.31 = 92,182.05/x
  3. Step 3: Cross multiply
    171,011.25x = 256,406.31 × 92,182.05
  4. Step 4: Simplify right side
    171,011.25x = 23,636,059,288.74
  5. Step 5: Solve for x
    x = 23,636,059,288.74/171,011.25
  6. Step 6: Final answer
    x = 138,213.48

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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.