Home / 129,922.20-179,266.80-73,322.64

Finding the Fourth Proportional to 129,922.20, 179,266.80 and 73,322.64

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Solution

The fourth proportional to 129,922.20, 179,266.80 and 73,322.64 is: 101,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,922.20 : 179,266.80 = 73,322.64 : x
  2. Step 2: Convert to fraction form
    129,922.20/179,266.80 = 73,322.64/x
  3. Step 3: Cross multiply
    129,922.20x = 179,266.80 × 73,322.64
  4. Step 4: Simplify right side
    129,922.20x = 13,144,315,040.35
  5. Step 5: Solve for x
    x = 13,144,315,040.35/129,922.20
  6. Step 6: Final answer
    x = 101,170.66

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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.