Home / 126,185.46-174,135.60-72,473.96

Finding the Fourth Proportional to 126,185.46, 174,135.60 and 72,473.96

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Solution

The fourth proportional to 126,185.46, 174,135.60 and 72,473.96 is: 100,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,185.46 : 174,135.60 = 72,473.96 : x
  2. Step 2: Convert to fraction form
    126,185.46/174,135.60 = 72,473.96/x
  3. Step 3: Cross multiply
    126,185.46x = 174,135.60 × 72,473.96
  4. Step 4: Simplify right side
    126,185.46x = 12,620,295,638.30
  5. Step 5: Solve for x
    x = 12,620,295,638.30/126,185.46
  6. Step 6: Final answer
    x = 100,013.87

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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.