Home / 140,811.46-211,213.54-47,317.21

Finding the Fourth Proportional to 140,811.46, 211,213.54 and 47,317.21

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Solution

The fourth proportional to 140,811.46, 211,213.54 and 47,317.21 is: 70,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.46 : 211,213.54 = 47,317.21 : x
  2. Step 2: Convert to fraction form
    140,811.46/211,213.54 = 47,317.21/x
  3. Step 3: Cross multiply
    140,811.46x = 211,213.54 × 47,317.21
  4. Step 4: Simplify right side
    140,811.46x = 9,994,034,898.99
  5. Step 5: Solve for x
    x = 9,994,034,898.99/140,811.46
  6. Step 6: Final answer
    x = 70,974.59

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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.