Home / 172,371.09-237,869.82-96,919.59

Finding the Fourth Proportional to 172,371.09, 237,869.82 and 96,919.59

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Solution

The fourth proportional to 172,371.09, 237,869.82 and 96,919.59 is: 133,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.09 : 237,869.82 = 96,919.59 : x
  2. Step 2: Convert to fraction form
    172,371.09/237,869.82 = 96,919.59/x
  3. Step 3: Cross multiply
    172,371.09x = 237,869.82 × 96,919.59
  4. Step 4: Simplify right side
    172,371.09x = 23,054,245,427.77
  5. Step 5: Solve for x
    x = 23,054,245,427.77/172,371.09
  6. Step 6: Final answer
    x = 133,747.75

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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.