Home / 140,811.30-211,213.26-47,317.02

Finding the Fourth Proportional to 140,811.30, 211,213.26 and 47,317.02

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Solution

The fourth proportional to 140,811.30, 211,213.26 and 47,317.02 is: 70,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.30 : 211,213.26 = 47,317.02 : x
  2. Step 2: Convert to fraction form
    140,811.30/211,213.26 = 47,317.02/x
  3. Step 3: Cross multiply
    140,811.30x = 211,213.26 × 47,317.02
  4. Step 4: Simplify right side
    140,811.30x = 9,993,982,047.69
  5. Step 5: Solve for x
    x = 9,993,982,047.69/140,811.30
  6. Step 6: Final answer
    x = 70,974.29

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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.