Home / 141,964.80-212,766.30-75,436.80

Finding the Fourth Proportional to 141,964.80, 212,766.30 and 75,436.80

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Solution

The fourth proportional to 141,964.80, 212,766.30 and 75,436.80 is: 113,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.80 : 212,766.30 = 75,436.80 : x
  2. Step 2: Convert to fraction form
    141,964.80/212,766.30 = 75,436.80/x
  3. Step 3: Cross multiply
    141,964.80x = 212,766.30 × 75,436.80
  4. Step 4: Simplify right side
    141,964.80x = 16,050,408,819.84
  5. Step 5: Solve for x
    x = 16,050,408,819.84/141,964.80
  6. Step 6: Final answer
    x = 113,059.07

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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.