Home / 215,816.20-323,724.30-141,166.60

Finding the Fourth Proportional to 215,816.20, 323,724.30 and 141,166.60

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Solution

The fourth proportional to 215,816.20, 323,724.30 and 141,166.60 is: 211,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,816.20 : 323,724.30 = 141,166.60 : x
  2. Step 2: Convert to fraction form
    215,816.20/323,724.30 = 141,166.60/x
  3. Step 3: Cross multiply
    215,816.20x = 323,724.30 × 141,166.60
  4. Step 4: Simplify right side
    215,816.20x = 45,699,058,768.38
  5. Step 5: Solve for x
    x = 45,699,058,768.38/215,816.20
  6. Step 6: Final answer
    x = 211,749.90

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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.