Home / 255,376.96-352,416.89-140,653.42

Finding the Fourth Proportional to 255,376.96, 352,416.89 and 140,653.42

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Solution

The fourth proportional to 255,376.96, 352,416.89 and 140,653.42 is: 194,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,376.96 : 352,416.89 = 140,653.42 : x
  2. Step 2: Convert to fraction form
    255,376.96/352,416.89 = 140,653.42/x
  3. Step 3: Cross multiply
    255,376.96x = 352,416.89 × 140,653.42
  4. Step 4: Simplify right side
    255,376.96x = 49,568,640,314.86
  5. Step 5: Solve for x
    x = 49,568,640,314.86/255,376.96
  6. Step 6: Final answer
    x = 194,099.89

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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.