Home / 197,767.74-273,045.15-129,905.13

Finding the Fourth Proportional to 197,767.74, 273,045.15 and 129,905.13

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Solution

The fourth proportional to 197,767.74, 273,045.15 and 129,905.13 is: 179,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,767.74 : 273,045.15 = 129,905.13 : x
  2. Step 2: Convert to fraction form
    197,767.74/273,045.15 = 129,905.13/x
  3. Step 3: Cross multiply
    197,767.74x = 273,045.15 × 129,905.13
  4. Step 4: Simplify right side
    197,767.74x = 35,469,965,706.62
  5. Step 5: Solve for x
    x = 35,469,965,706.62/197,767.74
  6. Step 6: Final answer
    x = 179,351.63

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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.