Home / 245,799.92-339,190.98-138,366.38

Finding the Fourth Proportional to 245,799.92, 339,190.98 and 138,366.38

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Solution

The fourth proportional to 245,799.92, 339,190.98 and 138,366.38 is: 190,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,799.92 : 339,190.98 = 138,366.38 : x
  2. Step 2: Convert to fraction form
    245,799.92/339,190.98 = 138,366.38/x
  3. Step 3: Cross multiply
    245,799.92x = 339,190.98 × 138,366.38
  4. Step 4: Simplify right side
    245,799.92x = 46,932,626,335.30
  5. Step 5: Solve for x
    x = 46,932,626,335.30/245,799.92
  6. Step 6: Final answer
    x = 190,938.33

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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.