Home / 245,932.77-339,388.38-138,504.63

Finding the Fourth Proportional to 245,932.77, 339,388.38 and 138,504.63

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Solution

The fourth proportional to 245,932.77, 339,388.38 and 138,504.63 is: 191,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,932.77 : 339,388.38 = 138,504.63 : x
  2. Step 2: Convert to fraction form
    245,932.77/339,388.38 = 138,504.63/x
  3. Step 3: Cross multiply
    245,932.77x = 339,388.38 × 138,504.63
  4. Step 4: Simplify right side
    245,932.77x = 47,006,861,998.20
  5. Step 5: Solve for x
    x = 47,006,861,998.20/245,932.77
  6. Step 6: Final answer
    x = 191,137.04

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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.