Home / 219,909.80-303,504.14-123,150.54

Finding the Fourth Proportional to 219,909.80, 303,504.14 and 123,150.54

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Solution

The fourth proportional to 219,909.80, 303,504.14 and 123,150.54 is: 169,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,909.80 : 303,504.14 = 123,150.54 : x
  2. Step 2: Convert to fraction form
    219,909.80/303,504.14 = 123,150.54/x
  3. Step 3: Cross multiply
    219,909.80x = 303,504.14 × 123,150.54
  4. Step 4: Simplify right side
    219,909.80x = 37,376,698,733.24
  5. Step 5: Solve for x
    x = 37,376,698,733.24/219,909.80
  6. Step 6: Final answer
    x = 169,963.77

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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.