Home / 129,817.92-179,146.32-73,229.28

Finding the Fourth Proportional to 129,817.92, 179,146.32 and 73,229.28

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Solution

The fourth proportional to 129,817.92, 179,146.32 and 73,229.28 is: 101,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,817.92 : 179,146.32 = 73,229.28 : x
  2. Step 2: Convert to fraction form
    129,817.92/179,146.32 = 73,229.28/x
  3. Step 3: Cross multiply
    129,817.92x = 179,146.32 × 73,229.28
  4. Step 4: Simplify right side
    129,817.92x = 13,118,756,028.25
  5. Step 5: Solve for x
    x = 13,118,756,028.25/129,817.92
  6. Step 6: Final answer
    x = 101,055.05

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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.