Home / 141,930.87-212,912.79-47,169.51

Finding the Fourth Proportional to 141,930.87, 212,912.79 and 47,169.51

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Solution

The fourth proportional to 141,930.87, 212,912.79 and 47,169.51 is: 70,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,930.87 : 212,912.79 = 47,169.51 : x
  2. Step 2: Convert to fraction form
    141,930.87/212,912.79 = 47,169.51/x
  3. Step 3: Cross multiply
    141,930.87x = 212,912.79 × 47,169.51
  4. Step 4: Simplify right side
    141,930.87x = 10,042,991,977.03
  5. Step 5: Solve for x
    x = 10,042,991,977.03/141,930.87
  6. Step 6: Final answer
    x = 70,759.74

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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.