Home / 211,481.42-291,561.73-168,018.03

Finding the Fourth Proportional to 211,481.42, 291,561.73 and 168,018.03

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Solution

The fourth proportional to 211,481.42, 291,561.73 and 168,018.03 is: 231,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,481.42 : 291,561.73 = 168,018.03 : x
  2. Step 2: Convert to fraction form
    211,481.42/291,561.73 = 168,018.03/x
  3. Step 3: Cross multiply
    211,481.42x = 291,561.73 × 168,018.03
  4. Step 4: Simplify right side
    211,481.42x = 48,987,627,077.95
  5. Step 5: Solve for x
    x = 48,987,627,077.95/211,481.42
  6. Step 6: Final answer
    x = 231,640.34

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1.5x scale

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.