Home / 201,922.20-278,648.82-117,047.16

Finding the Fourth Proportional to 201,922.20, 278,648.82 and 117,047.16

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Solution

The fourth proportional to 201,922.20, 278,648.82 and 117,047.16 is: 161,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,922.20 : 278,648.82 = 117,047.16 : x
  2. Step 2: Convert to fraction form
    201,922.20/278,648.82 = 117,047.16/x
  3. Step 3: Cross multiply
    201,922.20x = 278,648.82 × 117,047.16
  4. Step 4: Simplify right side
    201,922.20x = 32,615,053,018.35
  5. Step 5: Solve for x
    x = 32,615,053,018.35/201,922.20
  6. Step 6: Final answer
    x = 161,522.87

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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.