Home / 254,186.73-381,213.27-120,801.60

Finding the Fourth Proportional to 254,186.73, 381,213.27 and 120,801.60

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Solution

The fourth proportional to 254,186.73, 381,213.27 and 120,801.60 is: 181,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,186.73 : 381,213.27 = 120,801.60 : x
  2. Step 2: Convert to fraction form
    254,186.73/381,213.27 = 120,801.60/x
  3. Step 3: Cross multiply
    254,186.73x = 381,213.27 × 120,801.60
  4. Step 4: Simplify right side
    254,186.73x = 46,051,172,957.23
  5. Step 5: Solve for x
    x = 46,051,172,957.23/254,186.73
  6. Step 6: Final answer
    x = 181,170.64

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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.