Home / 199,721.64-275,617.74-113,676.42

Finding the Fourth Proportional to 199,721.64, 275,617.74 and 113,676.42

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Solution

The fourth proportional to 199,721.64, 275,617.74 and 113,676.42 is: 156,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,721.64 : 275,617.74 = 113,676.42 : x
  2. Step 2: Convert to fraction form
    199,721.64/275,617.74 = 113,676.42/x
  3. Step 3: Cross multiply
    199,721.64x = 275,617.74 × 113,676.42
  4. Step 4: Simplify right side
    199,721.64x = 31,331,237,971.69
  5. Step 5: Solve for x
    x = 31,331,237,971.69/199,721.64
  6. Step 6: Final answer
    x = 156,874.53

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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.