Home / 211,840.75-317,760.67-133,010.34

Finding the Fourth Proportional to 211,840.75, 317,760.67 and 133,010.34

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Solution

The fourth proportional to 211,840.75, 317,760.67 and 133,010.34 is: 199,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,840.75 : 317,760.67 = 133,010.34 : x
  2. Step 2: Convert to fraction form
    211,840.75/317,760.67 = 133,010.34/x
  3. Step 3: Cross multiply
    211,840.75x = 317,760.67 × 133,010.34
  4. Step 4: Simplify right side
    211,840.75x = 42,265,453,729.99
  5. Step 5: Solve for x
    x = 42,265,453,729.99/211,840.75
  6. Step 6: Final answer
    x = 199,515.22

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1.5x scale

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.