Home / 126,193.15-189,248.75-41,930.68

Finding the Fourth Proportional to 126,193.15, 189,248.75 and 41,930.68

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Solution

The fourth proportional to 126,193.15, 189,248.75 and 41,930.68 is: 62,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.15 : 189,248.75 = 41,930.68 : x
  2. Step 2: Convert to fraction form
    126,193.15/189,248.75 = 41,930.68/x
  3. Step 3: Cross multiply
    126,193.15x = 189,248.75 × 41,930.68
  4. Step 4: Simplify right side
    126,193.15x = 7,935,328,776.65
  5. Step 5: Solve for x
    x = 7,935,328,776.65/126,193.15
  6. Step 6: Final answer
    x = 62,882.41

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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.