Home / 69,193.42-103,790.20-19,273.62

Finding the Fourth Proportional to 69,193.42, 103,790.20 and 19,273.62

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Solution

The fourth proportional to 69,193.42, 103,790.20 and 19,273.62 is: 28,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,193.42 : 103,790.20 = 19,273.62 : x
  2. Step 2: Convert to fraction form
    69,193.42/103,790.20 = 19,273.62/x
  3. Step 3: Cross multiply
    69,193.42x = 103,790.20 × 19,273.62
  4. Step 4: Simplify right side
    69,193.42x = 2,000,412,874.52
  5. Step 5: Solve for x
    x = 2,000,412,874.52/69,193.42
  6. Step 6: Final answer
    x = 28,910.45

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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.