Home / 245,982.27-339,457.41-138,542.25

Finding the Fourth Proportional to 245,982.27, 339,457.41 and 138,542.25

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Solution

The fourth proportional to 245,982.27, 339,457.41 and 138,542.25 is: 191,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,982.27 : 339,457.41 = 138,542.25 : x
  2. Step 2: Convert to fraction form
    245,982.27/339,457.41 = 138,542.25/x
  3. Step 3: Cross multiply
    245,982.27x = 339,457.41 × 138,542.25
  4. Step 4: Simplify right side
    245,982.27x = 47,029,193,360.57
  5. Step 5: Solve for x
    x = 47,029,193,360.57/245,982.27
  6. Step 6: Final answer
    x = 191,189.36

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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.