Home / 213,827.94-320,648.49-101,540.34

Finding the Fourth Proportional to 213,827.94, 320,648.49 and 101,540.34

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Solution

The fourth proportional to 213,827.94, 320,648.49 and 101,540.34 is: 152,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,827.94 : 320,648.49 = 101,540.34 : x
  2. Step 2: Convert to fraction form
    213,827.94/320,648.49 = 101,540.34/x
  3. Step 3: Cross multiply
    213,827.94x = 320,648.49 × 101,540.34
  4. Step 4: Simplify right side
    213,827.94x = 32,558,756,695.09
  5. Step 5: Solve for x
    x = 32,558,756,695.09/213,827.94
  6. Step 6: Final answer
    x = 152,266.15

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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.