Home / 126,486.48-189,750.20-38,914

Finding the Fourth Proportional to 126,486.48, 189,750.20 and 38,914

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Solution

The fourth proportional to 126,486.48, 189,750.20 and 38,914 is: 58,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,486.48 : 189,750.20 = 38,914 : x
  2. Step 2: Convert to fraction form
    126,486.48/189,750.20 = 38,914/x
  3. Step 3: Cross multiply
    126,486.48x = 189,750.20 × 38,914
  4. Step 4: Simplify right side
    126,486.48x = 7,383,939,282.80
  5. Step 5: Solve for x
    x = 7,383,939,282.80/126,486.48
  6. Step 6: Final answer
    x = 58,377.30

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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.