Home / 215,879.28-323,818.90-58,103.62

Finding the Fourth Proportional to 215,879.28, 323,818.90 and 58,103.62

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Solution

The fourth proportional to 215,879.28, 323,818.90 and 58,103.62 is: 87,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,879.28 : 323,818.90 = 58,103.62 : x
  2. Step 2: Convert to fraction form
    215,879.28/323,818.90 = 58,103.62/x
  3. Step 3: Cross multiply
    215,879.28x = 323,818.90 × 58,103.62
  4. Step 4: Simplify right side
    215,879.28x = 18,815,050,314.42
  5. Step 5: Solve for x
    x = 18,815,050,314.42/215,879.28
  6. Step 6: Final answer
    x = 87,155.42

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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.