Home / 211,928.37-317,581.50-106,602.45

Finding the Fourth Proportional to 211,928.37, 317,581.50 and 106,602.45

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Solution

The fourth proportional to 211,928.37, 317,581.50 and 106,602.45 is: 159,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,928.37 : 317,581.50 = 106,602.45 : x
  2. Step 2: Convert to fraction form
    211,928.37/317,581.50 = 106,602.45/x
  3. Step 3: Cross multiply
    211,928.37x = 317,581.50 × 106,602.45
  4. Step 4: Simplify right side
    211,928.37x = 33,854,965,974.68
  5. Step 5: Solve for x
    x = 33,854,965,974.68/211,928.37
  6. Step 6: Final answer
    x = 159,747.21

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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.