Home / 271,330.10-406,939.72-102,792.32

Finding the Fourth Proportional to 271,330.10, 406,939.72 and 102,792.32

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Solution

The fourth proportional to 271,330.10, 406,939.72 and 102,792.32 is: 154,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,330.10 : 406,939.72 = 102,792.32 : x
  2. Step 2: Convert to fraction form
    271,330.10/406,939.72 = 102,792.32/x
  3. Step 3: Cross multiply
    271,330.10x = 406,939.72 × 102,792.32
  4. Step 4: Simplify right side
    271,330.10x = 41,830,277,918.95
  5. Step 5: Solve for x
    x = 41,830,277,918.95/271,330.10
  6. Step 6: Final answer
    x = 154,167.48

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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.