Home / 217,405.78-325,955.90-95,768.60

Finding the Fourth Proportional to 217,405.78, 325,955.90 and 95,768.60

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Solution

The fourth proportional to 217,405.78, 325,955.90 and 95,768.60 is: 143,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,405.78 : 325,955.90 = 95,768.60 : x
  2. Step 2: Convert to fraction form
    217,405.78/325,955.90 = 95,768.60/x
  3. Step 3: Cross multiply
    217,405.78x = 325,955.90 × 95,768.60
  4. Step 4: Simplify right side
    217,405.78x = 31,216,338,814.38
  5. Step 5: Solve for x
    x = 31,216,338,814.38/217,405.78
  6. Step 6: Final answer
    x = 143,585.60

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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.