Home / 141,815.80-212,286.30-126,069.40

Finding the Fourth Proportional to 141,815.80, 212,286.30 and 126,069.40

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Solution

The fourth proportional to 141,815.80, 212,286.30 and 126,069.40 is: 188,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.80 : 212,286.30 = 126,069.40 : x
  2. Step 2: Convert to fraction form
    141,815.80/212,286.30 = 126,069.40/x
  3. Step 3: Cross multiply
    141,815.80x = 212,286.30 × 126,069.40
  4. Step 4: Simplify right side
    141,815.80x = 26,762,806,469.22
  5. Step 5: Solve for x
    x = 26,762,806,469.22/141,815.80
  6. Step 6: Final answer
    x = 188,715.27

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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.