Home / 204,421.97-281,860.90-139,922.35

Finding the Fourth Proportional to 204,421.97, 281,860.90 and 139,922.35

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Solution

The fourth proportional to 204,421.97, 281,860.90 and 139,922.35 is: 192,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,421.97 : 281,860.90 = 139,922.35 : x
  2. Step 2: Convert to fraction form
    204,421.97/281,860.90 = 139,922.35/x
  3. Step 3: Cross multiply
    204,421.97x = 281,860.90 × 139,922.35
  4. Step 4: Simplify right side
    204,421.97x = 39,438,638,446.66
  5. Step 5: Solve for x
    x = 39,438,638,446.66/204,421.97
  6. Step 6: Final answer
    x = 192,927.59

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1.5x scale

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.