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Finding the Fourth Proportional to 171,040.20, 256,602.06 and 120,537.74

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Solution

The fourth proportional to 171,040.20, 256,602.06 and 120,537.74 is: 180,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,040.20 : 256,602.06 = 120,537.74 : x
  2. Step 2: Convert to fraction form
    171,040.20/256,602.06 = 120,537.74/x
  3. Step 3: Cross multiply
    171,040.20x = 256,602.06 × 120,537.74
  4. Step 4: Simplify right side
    171,040.20x = 30,930,231,108.73
  5. Step 5: Solve for x
    x = 30,930,231,108.73/171,040.20
  6. Step 6: Final answer
    x = 180,836.03

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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.