Home / 281,083.74-421,331.85-123,179.10

Finding the Fourth Proportional to 281,083.74, 421,331.85 and 123,179.10

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Solution

The fourth proportional to 281,083.74, 421,331.85 and 123,179.10 is: 184,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,083.74 : 421,331.85 = 123,179.10 : x
  2. Step 2: Convert to fraction form
    281,083.74/421,331.85 = 123,179.10/x
  3. Step 3: Cross multiply
    281,083.74x = 421,331.85 × 123,179.10
  4. Step 4: Simplify right side
    281,083.74x = 51,899,278,084.34
  5. Step 5: Solve for x
    x = 51,899,278,084.34/281,083.74
  6. Step 6: Final answer
    x = 184,639.92

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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.