Home / 141,819.27-212,765.81-53,079.63

Finding the Fourth Proportional to 141,819.27, 212,765.81 and 53,079.63

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Solution

The fourth proportional to 141,819.27, 212,765.81 and 53,079.63 is: 79,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,819.27 : 212,765.81 = 53,079.63 : x
  2. Step 2: Convert to fraction form
    141,819.27/212,765.81 = 53,079.63/x
  3. Step 3: Cross multiply
    141,819.27x = 212,765.81 × 53,079.63
  4. Step 4: Simplify right side
    141,819.27x = 11,293,530,206.05
  5. Step 5: Solve for x
    x = 11,293,530,206.05/141,819.27
  6. Step 6: Final answer
    x = 79,633.26

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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.