Home / 219,817.49-303,364.44-123,031.04

Finding the Fourth Proportional to 219,817.49, 303,364.44 and 123,031.04

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Solution

The fourth proportional to 219,817.49, 303,364.44 and 123,031.04 is: 169,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,817.49 : 303,364.44 = 123,031.04 : x
  2. Step 2: Convert to fraction form
    219,817.49/303,364.44 = 123,031.04/x
  3. Step 3: Cross multiply
    219,817.49x = 303,364.44 × 123,031.04
  4. Step 4: Simplify right side
    219,817.49x = 37,323,241,035.40
  5. Step 5: Solve for x
    x = 37,323,241,035.40/219,817.49
  6. Step 6: Final answer
    x = 169,791.96

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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.