Home / 281,720.62-422,285.68-104,114.35

Finding the Fourth Proportional to 281,720.62, 422,285.68 and 104,114.35

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Solution

The fourth proportional to 281,720.62, 422,285.68 and 104,114.35 is: 156,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,720.62 : 422,285.68 = 104,114.35 : x
  2. Step 2: Convert to fraction form
    281,720.62/422,285.68 = 104,114.35/x
  3. Step 3: Cross multiply
    281,720.62x = 422,285.68 × 104,114.35
  4. Step 4: Simplify right side
    281,720.62x = 43,965,999,087.51
  5. Step 5: Solve for x
    x = 43,965,999,087.51/281,720.62
  6. Step 6: Final answer
    x = 156,062.41

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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.