Home / 215,891.73-323,837.31-58,120.35

Finding the Fourth Proportional to 215,891.73, 323,837.31 and 58,120.35

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Solution

The fourth proportional to 215,891.73, 323,837.31 and 58,120.35 is: 87,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,891.73 : 323,837.31 = 58,120.35 : x
  2. Step 2: Convert to fraction form
    215,891.73/323,837.31 = 58,120.35/x
  3. Step 3: Cross multiply
    215,891.73x = 323,837.31 × 58,120.35
  4. Step 4: Simplify right side
    215,891.73x = 18,821,537,800.26
  5. Step 5: Solve for x
    x = 18,821,537,800.26/215,891.73
  6. Step 6: Final answer
    x = 87,180.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.