Home / 126,949.38-190,548-60,435.42

Finding the Fourth Proportional to 126,949.38, 190,548 and 60,435.42

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Solution

The fourth proportional to 126,949.38, 190,548 and 60,435.42 is: 90,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.38 : 190,548 = 60,435.42 : x
  2. Step 2: Convert to fraction form
    126,949.38/190,548 = 60,435.42/x
  3. Step 3: Cross multiply
    126,949.38x = 190,548 × 60,435.42
  4. Step 4: Simplify right side
    126,949.38x = 11,515,848,410.16
  5. Step 5: Solve for x
    x = 11,515,848,410.16/126,949.38
  6. Step 6: Final answer
    x = 90,712.13

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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.