Home / 129,814.53-179,136.81-73,222.26

Finding the Fourth Proportional to 129,814.53, 179,136.81 and 73,222.26

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Solution

The fourth proportional to 129,814.53, 179,136.81 and 73,222.26 is: 101,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,814.53 : 179,136.81 = 73,222.26 : x
  2. Step 2: Convert to fraction form
    129,814.53/179,136.81 = 73,222.26/x
  3. Step 3: Cross multiply
    129,814.53x = 179,136.81 × 73,222.26
  4. Step 4: Simplify right side
    129,814.53x = 13,116,802,077.39
  5. Step 5: Solve for x
    x = 13,116,802,077.39/129,814.53
  6. Step 6: Final answer
    x = 101,042.63

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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.