Home / 126,271.09-174,253.98-80,949.03

Finding the Fourth Proportional to 126,271.09, 174,253.98 and 80,949.03

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Solution

The fourth proportional to 126,271.09, 174,253.98 and 80,949.03 is: 111,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271.09 : 174,253.98 = 80,949.03 : x
  2. Step 2: Convert to fraction form
    126,271.09/174,253.98 = 80,949.03/x
  3. Step 3: Cross multiply
    126,271.09x = 174,253.98 × 80,949.03
  4. Step 4: Simplify right side
    126,271.09x = 14,105,690,654.64
  5. Step 5: Solve for x
    x = 14,105,690,654.64/126,271.09
  6. Step 6: Final answer
    x = 111,709.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.