Home / 129,777.27-179,087.09-73,193.91

Finding the Fourth Proportional to 129,777.27, 179,087.09 and 73,193.91

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Solution

The fourth proportional to 129,777.27, 179,087.09 and 73,193.91 is: 101,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,777.27 : 179,087.09 = 73,193.91 : x
  2. Step 2: Convert to fraction form
    129,777.27/179,087.09 = 73,193.91/x
  3. Step 3: Cross multiply
    129,777.27x = 179,087.09 × 73,193.91
  4. Step 4: Simplify right side
    129,777.27x = 13,108,084,347.62
  5. Step 5: Solve for x
    x = 13,108,084,347.62/129,777.27
  6. Step 6: Final answer
    x = 101,004.47

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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.