Home / 245,965.92-339,453.63-138,557.04

Finding the Fourth Proportional to 245,965.92, 339,453.63 and 138,557.04

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Solution

The fourth proportional to 245,965.92, 339,453.63 and 138,557.04 is: 191,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,965.92 : 339,453.63 = 138,557.04 : x
  2. Step 2: Convert to fraction form
    245,965.92/339,453.63 = 138,557.04/x
  3. Step 3: Cross multiply
    245,965.92x = 339,453.63 × 138,557.04
  4. Step 4: Simplify right side
    245,965.92x = 47,033,690,190.06
  5. Step 5: Solve for x
    x = 47,033,690,190.06/245,965.92
  6. Step 6: Final answer
    x = 191,220.35

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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.