Home / 178,821.38-268,355.09-73,640.34

Finding the Fourth Proportional to 178,821.38, 268,355.09 and 73,640.34

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Solution

The fourth proportional to 178,821.38, 268,355.09 and 73,640.34 is: 110,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821.38 : 268,355.09 = 73,640.34 : x
  2. Step 2: Convert to fraction form
    178,821.38/268,355.09 = 73,640.34/x
  3. Step 3: Cross multiply
    178,821.38x = 268,355.09 × 73,640.34
  4. Step 4: Simplify right side
    178,821.38x = 19,761,760,068.33
  5. Step 5: Solve for x
    x = 19,761,760,068.33/178,821.38
  6. Step 6: Final answer
    x = 110,511.17

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1.5x scale

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.