Home / 129,759.39-179,100.59-73,203.57

Finding the Fourth Proportional to 129,759.39, 179,100.59 and 73,203.57

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Solution

The fourth proportional to 129,759.39, 179,100.59 and 73,203.57 is: 101,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,759.39 : 179,100.59 = 73,203.57 : x
  2. Step 2: Convert to fraction form
    129,759.39/179,100.59 = 73,203.57/x
  3. Step 3: Cross multiply
    129,759.39x = 179,100.59 × 73,203.57
  4. Step 4: Simplify right side
    129,759.39x = 13,110,802,211.09
  5. Step 5: Solve for x
    x = 13,110,802,211.09/129,759.39
  6. Step 6: Final answer
    x = 101,039.33

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1.5x scale

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.