Home / 210,734.66-290,813.82-115,241.42

Finding the Fourth Proportional to 210,734.66, 290,813.82 and 115,241.42

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Solution

The fourth proportional to 210,734.66, 290,813.82 and 115,241.42 is: 159,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,734.66 : 290,813.82 = 115,241.42 : x
  2. Step 2: Convert to fraction form
    210,734.66/290,813.82 = 115,241.42/x
  3. Step 3: Cross multiply
    210,734.66x = 290,813.82 × 115,241.42
  4. Step 4: Simplify right side
    210,734.66x = 33,513,797,572.42
  5. Step 5: Solve for x
    x = 33,513,797,572.42/210,734.66
  6. Step 6: Final answer
    x = 159,033.15

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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.