Home / 215,540.40-297,418.44-124,895.52

Finding the Fourth Proportional to 215,540.40, 297,418.44 and 124,895.52

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Solution

The fourth proportional to 215,540.40, 297,418.44 and 124,895.52 is: 172,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,540.40 : 297,418.44 = 124,895.52 : x
  2. Step 2: Convert to fraction form
    215,540.40/297,418.44 = 124,895.52/x
  3. Step 3: Cross multiply
    215,540.40x = 297,418.44 × 124,895.52
  4. Step 4: Simplify right side
    215,540.40x = 37,146,230,721.39
  5. Step 5: Solve for x
    x = 37,146,230,721.39/215,540.40
  6. Step 6: Final answer
    x = 172,339.99

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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.