Home / 215,459.05-323,336.20-75,217.67

Finding the Fourth Proportional to 215,459.05, 323,336.20 and 75,217.67

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Solution

The fourth proportional to 215,459.05, 323,336.20 and 75,217.67 is: 112,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,459.05 : 323,336.20 = 75,217.67 : x
  2. Step 2: Convert to fraction form
    215,459.05/323,336.20 = 75,217.67/x
  3. Step 3: Cross multiply
    215,459.05x = 323,336.20 × 75,217.67
  4. Step 4: Simplify right side
    215,459.05x = 24,320,595,214.57
  5. Step 5: Solve for x
    x = 24,320,595,214.57/215,459.05
  6. Step 6: Final answer
    x = 112,878.04

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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.