Home / 211,583.75-317,396.07-61,820.62

Finding the Fourth Proportional to 211,583.75, 317,396.07 and 61,820.62

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Solution

The fourth proportional to 211,583.75, 317,396.07 and 61,820.62 is: 92,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,583.75 : 317,396.07 = 61,820.62 : x
  2. Step 2: Convert to fraction form
    211,583.75/317,396.07 = 61,820.62/x
  3. Step 3: Cross multiply
    211,583.75x = 317,396.07 × 61,820.62
  4. Step 4: Simplify right side
    211,583.75x = 19,621,621,039.47
  5. Step 5: Solve for x
    x = 19,621,621,039.47/211,583.75
  6. Step 6: Final answer
    x = 92,736.90

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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.