Home / 129,755.36-179,062.09-73,166.33

Finding the Fourth Proportional to 129,755.36, 179,062.09 and 73,166.33

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Solution

The fourth proportional to 129,755.36, 179,062.09 and 73,166.33 is: 100,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,755.36 : 179,062.09 = 73,166.33 : x
  2. Step 2: Convert to fraction form
    129,755.36/179,062.09 = 73,166.33/x
  3. Step 3: Cross multiply
    129,755.36x = 179,062.09 × 73,166.33
  4. Step 4: Simplify right side
    129,755.36x = 13,101,314,889.20
  5. Step 5: Solve for x
    x = 13,101,314,889.20/129,755.36
  6. Step 6: Final answer
    x = 100,969.36

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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.