Home / 123,829.92-170,886-67,241.76

Finding the Fourth Proportional to 123,829.92, 170,886 and 67,241.76

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Solution

The fourth proportional to 123,829.92, 170,886 and 67,241.76 is: 92,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,829.92 : 170,886 = 67,241.76 : x
  2. Step 2: Convert to fraction form
    123,829.92/170,886 = 67,241.76/x
  3. Step 3: Cross multiply
    123,829.92x = 170,886 × 67,241.76
  4. Step 4: Simplify right side
    123,829.92x = 11,490,675,399.36
  5. Step 5: Solve for x
    x = 11,490,675,399.36/123,829.92
  6. Step 6: Final answer
    x = 92,794.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.