Home / 245,650.10-339,003.76-138,223.94

Finding the Fourth Proportional to 245,650.10, 339,003.76 and 138,223.94

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Solution

The fourth proportional to 245,650.10, 339,003.76 and 138,223.94 is: 190,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,650.10 : 339,003.76 = 138,223.94 : x
  2. Step 2: Convert to fraction form
    245,650.10/339,003.76 = 138,223.94/x
  3. Step 3: Cross multiply
    245,650.10x = 339,003.76 × 138,223.94
  4. Step 4: Simplify right side
    245,650.10x = 46,858,435,382.01
  5. Step 5: Solve for x
    x = 46,858,435,382.01/245,650.10
  6. Step 6: Final answer
    x = 190,752.76

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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.