Home / 203,929.79-281,344.59-150,342.21

Finding the Fourth Proportional to 203,929.79, 281,344.59 and 150,342.21

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Solution

The fourth proportional to 203,929.79, 281,344.59 and 150,342.21 is: 207,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.79 : 281,344.59 = 150,342.21 : x
  2. Step 2: Convert to fraction form
    203,929.79/281,344.59 = 150,342.21/x
  3. Step 3: Cross multiply
    203,929.79x = 281,344.59 × 150,342.21
  4. Step 4: Simplify right side
    203,929.79x = 42,297,967,432.14
  5. Step 5: Solve for x
    x = 42,297,967,432.14/203,929.79
  6. Step 6: Final answer
    x = 207,414.37

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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.