Home / 141,519.82-212,202.86-70,286.18

Finding the Fourth Proportional to 141,519.82, 212,202.86 and 70,286.18

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Solution

The fourth proportional to 141,519.82, 212,202.86 and 70,286.18 is: 105,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.82 : 212,202.86 = 70,286.18 : x
  2. Step 2: Convert to fraction form
    141,519.82/212,202.86 = 70,286.18/x
  3. Step 3: Cross multiply
    141,519.82x = 212,202.86 × 70,286.18
  4. Step 4: Simplify right side
    141,519.82x = 14,914,928,414.47
  5. Step 5: Solve for x
    x = 14,914,928,414.47/141,519.82
  6. Step 6: Final answer
    x = 105,391.09

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1.5x scale

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.