Home / 140,715.20-211,091.03-45,911.99

Finding the Fourth Proportional to 140,715.20, 211,091.03 and 45,911.99

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Solution

The fourth proportional to 140,715.20, 211,091.03 and 45,911.99 is: 68,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.20 : 211,091.03 = 45,911.99 : x
  2. Step 2: Convert to fraction form
    140,715.20/211,091.03 = 45,911.99/x
  3. Step 3: Cross multiply
    140,715.20x = 211,091.03 × 45,911.99
  4. Step 4: Simplify right side
    140,715.20x = 9,691,609,258.45
  5. Step 5: Solve for x
    x = 9,691,609,258.45/140,715.20
  6. Step 6: Final answer
    x = 68,873.93

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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.