Home / 271,662.10-407,201.55-103,117.30

Finding the Fourth Proportional to 271,662.10, 407,201.55 and 103,117.30

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Solution

The fourth proportional to 271,662.10, 407,201.55 and 103,117.30 is: 154,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,662.10 : 407,201.55 = 103,117.30 : x
  2. Step 2: Convert to fraction form
    271,662.10/407,201.55 = 103,117.30/x
  3. Step 3: Cross multiply
    271,662.10x = 407,201.55 × 103,117.30
  4. Step 4: Simplify right side
    271,662.10x = 41,989,524,391.82
  5. Step 5: Solve for x
    x = 41,989,524,391.82/271,662.10
  6. Step 6: Final answer
    x = 154,565.26

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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.