Home / 126,424.82-189,644.52-47,539.73

Finding the Fourth Proportional to 126,424.82, 189,644.52 and 47,539.73

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Solution

The fourth proportional to 126,424.82, 189,644.52 and 47,539.73 is: 71,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,424.82 : 189,644.52 = 47,539.73 : x
  2. Step 2: Convert to fraction form
    126,424.82/189,644.52 = 47,539.73/x
  3. Step 3: Cross multiply
    126,424.82x = 189,644.52 × 47,539.73
  4. Step 4: Simplify right side
    126,424.82x = 9,015,648,328.56
  5. Step 5: Solve for x
    x = 9,015,648,328.56/126,424.82
  6. Step 6: Final answer
    x = 71,312.33

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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.