Home / 216,002.75-323,971.26-82,945.67

Finding the Fourth Proportional to 216,002.75, 323,971.26 and 82,945.67

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Solution

The fourth proportional to 216,002.75, 323,971.26 and 82,945.67 is: 124,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,002.75 : 323,971.26 = 82,945.67 : x
  2. Step 2: Convert to fraction form
    216,002.75/323,971.26 = 82,945.67/x
  3. Step 3: Cross multiply
    216,002.75x = 323,971.26 × 82,945.67
  4. Step 4: Simplify right side
    216,002.75x = 26,872,013,221.44
  5. Step 5: Solve for x
    x = 26,872,013,221.44/216,002.75
  6. Step 6: Final answer
    x = 124,405.88

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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.