Home / 198,731.30-274,495.32-144,195.96

Finding the Fourth Proportional to 198,731.30, 274,495.32 and 144,195.96

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Solution

The fourth proportional to 198,731.30, 274,495.32 and 144,195.96 is: 199,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,731.30 : 274,495.32 = 144,195.96 : x
  2. Step 2: Convert to fraction form
    198,731.30/274,495.32 = 144,195.96/x
  3. Step 3: Cross multiply
    198,731.30x = 274,495.32 × 144,195.96
  4. Step 4: Simplify right side
    198,731.30x = 39,581,115,461.93
  5. Step 5: Solve for x
    x = 39,581,115,461.93/198,731.30
  6. Step 6: Final answer
    x = 199,169.01

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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.