Home / 206,562.72-285,058.52-120,575.35

Finding the Fourth Proportional to 206,562.72, 285,058.52 and 120,575.35

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Solution

The fourth proportional to 206,562.72, 285,058.52 and 120,575.35 is: 166,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,562.72 : 285,058.52 = 120,575.35 : x
  2. Step 2: Convert to fraction form
    206,562.72/285,058.52 = 120,575.35/x
  3. Step 3: Cross multiply
    206,562.72x = 285,058.52 × 120,575.35
  4. Step 4: Simplify right side
    206,562.72x = 34,371,030,408.27
  5. Step 5: Solve for x
    x = 34,371,030,408.27/206,562.72
  6. Step 6: Final answer
    x = 166,395.13

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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.