Home / 126,566.26-174,705.38-72,872.67

Finding the Fourth Proportional to 126,566.26, 174,705.38 and 72,872.67

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Solution

The fourth proportional to 126,566.26, 174,705.38 and 72,872.67 is: 100,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,566.26 : 174,705.38 = 72,872.67 : x
  2. Step 2: Convert to fraction form
    126,566.26/174,705.38 = 72,872.67/x
  3. Step 3: Cross multiply
    126,566.26x = 174,705.38 × 72,872.67
  4. Step 4: Simplify right side
    126,566.26x = 12,731,247,503.96
  5. Step 5: Solve for x
    x = 12,731,247,503.96/126,566.26
  6. Step 6: Final answer
    x = 100,589.58

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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.