Home / 255,361.96-352,396.19-140,638.42

Finding the Fourth Proportional to 255,361.96, 352,396.19 and 140,638.42

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Solution

The fourth proportional to 255,361.96, 352,396.19 and 140,638.42 is: 194,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,361.96 : 352,396.19 = 140,638.42 : x
  2. Step 2: Convert to fraction form
    255,361.96/352,396.19 = 140,638.42/x
  3. Step 3: Cross multiply
    255,361.96x = 352,396.19 × 140,638.42
  4. Step 4: Simplify right side
    255,361.96x = 49,560,442,846.23
  5. Step 5: Solve for x
    x = 49,560,442,846.23/255,361.96
  6. Step 6: Final answer
    x = 194,079.19

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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.