Home / 254,736.20-382,104.30-136,638.20

Finding the Fourth Proportional to 254,736.20, 382,104.30 and 136,638.20

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Solution

The fourth proportional to 254,736.20, 382,104.30 and 136,638.20 is: 204,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,736.20 : 382,104.30 = 136,638.20 : x
  2. Step 2: Convert to fraction form
    254,736.20/382,104.30 = 136,638.20/x
  3. Step 3: Cross multiply
    254,736.20x = 382,104.30 × 136,638.20
  4. Step 4: Simplify right side
    254,736.20x = 52,210,043,764.26
  5. Step 5: Solve for x
    x = 52,210,043,764.26/254,736.20
  6. Step 6: Final answer
    x = 204,957.30

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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.