Home / 254,725.20-382,087.80-136,627.20

Finding the Fourth Proportional to 254,725.20, 382,087.80 and 136,627.20

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Solution

The fourth proportional to 254,725.20, 382,087.80 and 136,627.20 is: 204,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,725.20 : 382,087.80 = 136,627.20 : x
  2. Step 2: Convert to fraction form
    254,725.20/382,087.80 = 136,627.20/x
  3. Step 3: Cross multiply
    254,725.20x = 382,087.80 × 136,627.20
  4. Step 4: Simplify right side
    254,725.20x = 52,203,586,268.16
  5. Step 5: Solve for x
    x = 52,203,586,268.16/254,725.20
  6. Step 6: Final answer
    x = 204,940.80

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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.