Home / 129,736.48-179,041.38-73,146.64

Finding the Fourth Proportional to 129,736.48, 179,041.38 and 73,146.64

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Solution

The fourth proportional to 129,736.48, 179,041.38 and 73,146.64 is: 100,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.48 : 179,041.38 = 73,146.64 : x
  2. Step 2: Convert to fraction form
    129,736.48/179,041.38 = 73,146.64/x
  3. Step 3: Cross multiply
    129,736.48x = 179,041.38 × 73,146.64
  4. Step 4: Simplify right side
    129,736.48x = 13,096,275,367.96
  5. Step 5: Solve for x
    x = 13,096,275,367.96/129,736.48
  6. Step 6: Final answer
    x = 100,945.20

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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.