Home / 281,473.05-422,431.46-104,030.80

Finding the Fourth Proportional to 281,473.05, 422,431.46 and 104,030.80

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Solution

The fourth proportional to 281,473.05, 422,431.46 and 104,030.80 is: 156,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,473.05 : 422,431.46 = 104,030.80 : x
  2. Step 2: Convert to fraction form
    281,473.05/422,431.46 = 104,030.80/x
  3. Step 3: Cross multiply
    281,473.05x = 422,431.46 × 104,030.80
  4. Step 4: Simplify right side
    281,473.05x = 43,945,882,728.97
  5. Step 5: Solve for x
    x = 43,945,882,728.97/281,473.05
  6. Step 6: Final answer
    x = 156,128.21

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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.