Home / 254,720.20-382,080.30-136,622.20

Finding the Fourth Proportional to 254,720.20, 382,080.30 and 136,622.20

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Solution

The fourth proportional to 254,720.20, 382,080.30 and 136,622.20 is: 204,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,720.20 : 382,080.30 = 136,622.20 : x
  2. Step 2: Convert to fraction form
    254,720.20/382,080.30 = 136,622.20/x
  3. Step 3: Cross multiply
    254,720.20x = 382,080.30 × 136,622.20
  4. Step 4: Simplify right side
    254,720.20x = 52,200,651,162.66
  5. Step 5: Solve for x
    x = 52,200,651,162.66/254,720.20
  6. Step 6: Final answer
    x = 204,933.30

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1.5x scale

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.