Home / 85,254.03-127,727.82-50,174.55

Finding the Fourth Proportional to 85,254.03, 127,727.82 and 50,174.55

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Solution

The fourth proportional to 85,254.03, 127,727.82 and 50,174.55 is: 75,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254.03 : 127,727.82 = 50,174.55 : x
  2. Step 2: Convert to fraction form
    85,254.03/127,727.82 = 50,174.55/x
  3. Step 3: Cross multiply
    85,254.03x = 127,727.82 × 50,174.55
  4. Step 4: Simplify right side
    85,254.03x = 6,408,685,890.98
  5. Step 5: Solve for x
    x = 6,408,685,890.98/85,254.03
  6. Step 6: Final answer
    x = 75,171.65

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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.