Home / 199,369.78-275,122.58-113,340.04

Finding the Fourth Proportional to 199,369.78, 275,122.58 and 113,340.04

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Solution

The fourth proportional to 199,369.78, 275,122.58 and 113,340.04 is: 156,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,369.78 : 275,122.58 = 113,340.04 : x
  2. Step 2: Convert to fraction form
    199,369.78/275,122.58 = 113,340.04/x
  3. Step 3: Cross multiply
    199,369.78x = 275,122.58 × 113,340.04
  4. Step 4: Simplify right side
    199,369.78x = 31,182,404,222.10
  5. Step 5: Solve for x
    x = 31,182,404,222.10/199,369.78
  6. Step 6: Final answer
    x = 156,404.87

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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.