Home / 200,835.44-301,042.92-67,669.68

Finding the Fourth Proportional to 200,835.44, 301,042.92 and 67,669.68

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Solution

The fourth proportional to 200,835.44, 301,042.92 and 67,669.68 is: 101,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,835.44 : 301,042.92 = 67,669.68 : x
  2. Step 2: Convert to fraction form
    200,835.44/301,042.92 = 67,669.68/x
  3. Step 3: Cross multiply
    200,835.44x = 301,042.92 × 67,669.68
  4. Step 4: Simplify right side
    200,835.44x = 20,371,478,062.67
  5. Step 5: Solve for x
    x = 20,371,478,062.67/200,835.44
  6. Step 6: Final answer
    x = 101,433.68

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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.