Home / 217,553.60-300,219.36-122,083.52

Finding the Fourth Proportional to 217,553.60, 300,219.36 and 122,083.52

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Solution

The fourth proportional to 217,553.60, 300,219.36 and 122,083.52 is: 168,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,553.60 : 300,219.36 = 122,083.52 : x
  2. Step 2: Convert to fraction form
    217,553.60/300,219.36 = 122,083.52/x
  3. Step 3: Cross multiply
    217,553.60x = 300,219.36 × 122,083.52
  4. Step 4: Simplify right side
    217,553.60x = 36,651,836,240.95
  5. Step 5: Solve for x
    x = 36,651,836,240.95/217,553.60
  6. Step 6: Final answer
    x = 168,472.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.