Home / 85,265.16-127,744.48-50,185.68

Finding the Fourth Proportional to 85,265.16, 127,744.48 and 50,185.68

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Solution

The fourth proportional to 85,265.16, 127,744.48 and 50,185.68 is: 75,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.16 : 127,744.48 = 50,185.68 : x
  2. Step 2: Convert to fraction form
    85,265.16/127,744.48 = 50,185.68/x
  3. Step 3: Cross multiply
    85,265.16x = 127,744.48 × 50,185.68
  4. Step 4: Simplify right side
    85,265.16x = 6,410,943,595.05
  5. Step 5: Solve for x
    x = 6,410,943,595.05/85,265.16
  6. Step 6: Final answer
    x = 75,188.31

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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.