Home / 140,905.58-211,380.23-47,404.04

Finding the Fourth Proportional to 140,905.58, 211,380.23 and 47,404.04

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Solution

The fourth proportional to 140,905.58, 211,380.23 and 47,404.04 is: 71,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,905.58 : 211,380.23 = 47,404.04 : x
  2. Step 2: Convert to fraction form
    140,905.58/211,380.23 = 47,404.04/x
  3. Step 3: Cross multiply
    140,905.58x = 211,380.23 × 47,404.04
  4. Step 4: Simplify right side
    140,905.58x = 10,020,275,939.74
  5. Step 5: Solve for x
    x = 10,020,275,939.74/140,905.58
  6. Step 6: Final answer
    x = 71,113.41

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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.