Home / 217,022.76-325,583.82-83,904.12

Finding the Fourth Proportional to 217,022.76, 325,583.82 and 83,904.12

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Solution

The fourth proportional to 217,022.76, 325,583.82 and 83,904.12 is: 125,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,022.76 : 325,583.82 = 83,904.12 : x
  2. Step 2: Convert to fraction form
    217,022.76/325,583.82 = 83,904.12/x
  3. Step 3: Cross multiply
    217,022.76x = 325,583.82 × 83,904.12
  4. Step 4: Simplify right side
    217,022.76x = 27,317,823,903.34
  5. Step 5: Solve for x
    x = 27,317,823,903.34/217,022.76
  6. Step 6: Final answer
    x = 125,875.39

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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.