Home / 211,682.40-317,441.52-106,427.76

Finding the Fourth Proportional to 211,682.40, 317,441.52 and 106,427.76

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Solution

The fourth proportional to 211,682.40, 317,441.52 and 106,427.76 is: 159,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,682.40 : 317,441.52 = 106,427.76 : x
  2. Step 2: Convert to fraction form
    211,682.40/317,441.52 = 106,427.76/x
  3. Step 3: Cross multiply
    211,682.40x = 317,441.52 × 106,427.76
  4. Step 4: Simplify right side
    211,682.40x = 33,784,589,904.60
  5. Step 5: Solve for x
    x = 33,784,589,904.60/211,682.40
  6. Step 6: Final answer
    x = 159,600.37

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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.