Home / 215,515.20-323,299.64-73,349.55

Finding the Fourth Proportional to 215,515.20, 323,299.64 and 73,349.55

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Solution

The fourth proportional to 215,515.20, 323,299.64 and 73,349.55 is: 110,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,515.20 : 323,299.64 = 73,349.55 : x
  2. Step 2: Convert to fraction form
    215,515.20/323,299.64 = 73,349.55/x
  3. Step 3: Cross multiply
    215,515.20x = 323,299.64 × 73,349.55
  4. Step 4: Simplify right side
    215,515.20x = 23,713,883,871.35
  5. Step 5: Solve for x
    x = 23,713,883,871.35/215,515.20
  6. Step 6: Final answer
    x = 110,033.46

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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.