Home / 204,053.25-305,904.57-70,916.21

Finding the Fourth Proportional to 204,053.25, 305,904.57 and 70,916.21

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Solution

The fourth proportional to 204,053.25, 305,904.57 and 70,916.21 is: 106,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,053.25 : 305,904.57 = 70,916.21 : x
  2. Step 2: Convert to fraction form
    204,053.25/305,904.57 = 70,916.21/x
  3. Step 3: Cross multiply
    204,053.25x = 305,904.57 × 70,916.21
  4. Step 4: Simplify right side
    204,053.25x = 21,693,592,676.12
  5. Step 5: Solve for x
    x = 21,693,592,676.12/204,053.25
  6. Step 6: Final answer
    x = 106,313.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.