Home / 126,308.97-174,300.26-72,581.67

Finding the Fourth Proportional to 126,308.97, 174,300.26 and 72,581.67

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Solution

The fourth proportional to 126,308.97, 174,300.26 and 72,581.67 is: 100,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.97 : 174,300.26 = 72,581.67 : x
  2. Step 2: Convert to fraction form
    126,308.97/174,300.26 = 72,581.67/x
  3. Step 3: Cross multiply
    126,308.97x = 174,300.26 × 72,581.67
  4. Step 4: Simplify right side
    126,308.97x = 12,651,003,589.33
  5. Step 5: Solve for x
    x = 12,651,003,589.33/126,308.97
  6. Step 6: Final answer
    x = 100,159.19

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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.