Home / 219,976.54-303,565.18-123,181.26

Finding the Fourth Proportional to 219,976.54, 303,565.18 and 123,181.26

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Solution

The fourth proportional to 219,976.54, 303,565.18 and 123,181.26 is: 169,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,976.54 : 303,565.18 = 123,181.26 : x
  2. Step 2: Convert to fraction form
    219,976.54/303,565.18 = 123,181.26/x
  3. Step 3: Cross multiply
    219,976.54x = 303,565.18 × 123,181.26
  4. Step 4: Simplify right side
    219,976.54x = 37,393,541,364.53
  5. Step 5: Solve for x
    x = 37,393,541,364.53/219,976.54
  6. Step 6: Final answer
    x = 169,988.77

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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.