Home / 124,910.25-172,371.81-71,212.56

Finding the Fourth Proportional to 124,910.25, 172,371.81 and 71,212.56

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Solution

The fourth proportional to 124,910.25, 172,371.81 and 71,212.56 is: 98,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,910.25 : 172,371.81 = 71,212.56 : x
  2. Step 2: Convert to fraction form
    124,910.25/172,371.81 = 71,212.56/x
  3. Step 3: Cross multiply
    124,910.25x = 172,371.81 × 71,212.56
  4. Step 4: Simplify right side
    124,910.25x = 12,275,037,861.93
  5. Step 5: Solve for x
    x = 12,275,037,861.93/124,910.25
  6. Step 6: Final answer
    x = 98,270.86

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1.5x scale

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.