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Finding the Fourth Proportional to 126,725, 190,080.12 and 33,230.72

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Solution

The fourth proportional to 126,725, 190,080.12 and 33,230.72 is: 49,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725 : 190,080.12 = 33,230.72 : x
  2. Step 2: Convert to fraction form
    126,725/190,080.12 = 33,230.72/x
  3. Step 3: Cross multiply
    126,725x = 190,080.12 × 33,230.72
  4. Step 4: Simplify right side
    126,725x = 6,316,499,245.29
  5. Step 5: Solve for x
    x = 6,316,499,245.29/126,725
  6. Step 6: Final answer
    x = 49,844.14

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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.