Home / 254,910.32-382,416.52-142,750.04

Finding the Fourth Proportional to 254,910.32, 382,416.52 and 142,750.04

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Solution

The fourth proportional to 254,910.32, 382,416.52 and 142,750.04 is: 214,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,910.32 : 382,416.52 = 142,750.04 : x
  2. Step 2: Convert to fraction form
    254,910.32/382,416.52 = 142,750.04/x
  3. Step 3: Cross multiply
    254,910.32x = 382,416.52 × 142,750.04
  4. Step 4: Simplify right side
    254,910.32x = 54,589,971,257.70
  5. Step 5: Solve for x
    x = 54,589,971,257.70/254,910.32
  6. Step 6: Final answer
    x = 214,153.64

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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.