Home / 129,725.26-179,020.56-73,136.23

Finding the Fourth Proportional to 129,725.26, 179,020.56 and 73,136.23

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Solution

The fourth proportional to 129,725.26, 179,020.56 and 73,136.23 is: 100,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,725.26 : 179,020.56 = 73,136.23 : x
  2. Step 2: Convert to fraction form
    129,725.26/179,020.56 = 73,136.23/x
  3. Step 3: Cross multiply
    129,725.26x = 179,020.56 × 73,136.23
  4. Step 4: Simplify right side
    129,725.26x = 13,092,888,403.34
  5. Step 5: Solve for x
    x = 13,092,888,403.34/129,725.26
  6. Step 6: Final answer
    x = 100,927.83

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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.