Home / 211,896.12-317,839.26-106,686.84

Finding the Fourth Proportional to 211,896.12, 317,839.26 and 106,686.84

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Solution

The fourth proportional to 211,896.12, 317,839.26 and 106,686.84 is: 160,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,896.12 : 317,839.26 = 106,686.84 : x
  2. Step 2: Convert to fraction form
    211,896.12/317,839.26 = 106,686.84/x
  3. Step 3: Cross multiply
    211,896.12x = 317,839.26 × 106,686.84
  4. Step 4: Simplify right side
    211,896.12x = 33,909,266,277.34
  5. Step 5: Solve for x
    x = 33,909,266,277.34/211,896.12
  6. Step 6: Final answer
    x = 160,027.78

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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.