Home / 199,940.15-275,916.75-109,296.15

Finding the Fourth Proportional to 199,940.15, 275,916.75 and 109,296.15

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Solution

The fourth proportional to 199,940.15, 275,916.75 and 109,296.15 is: 150,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,940.15 : 275,916.75 = 109,296.15 : x
  2. Step 2: Convert to fraction form
    199,940.15/275,916.75 = 109,296.15/x
  3. Step 3: Cross multiply
    199,940.15x = 275,916.75 × 109,296.15
  4. Step 4: Simplify right side
    199,940.15x = 30,156,638,495.51
  5. Step 5: Solve for x
    x = 30,156,638,495.51/199,940.15
  6. Step 6: Final answer
    x = 150,828.33

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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.