Home / 162,081.21-223,404.34-108,346.62

Finding the Fourth Proportional to 162,081.21, 223,404.34 and 108,346.62

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Solution

The fourth proportional to 162,081.21, 223,404.34 and 108,346.62 is: 149,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,081.21 : 223,404.34 = 108,346.62 : x
  2. Step 2: Convert to fraction form
    162,081.21/223,404.34 = 108,346.62/x
  3. Step 3: Cross multiply
    162,081.21x = 223,404.34 × 108,346.62
  4. Step 4: Simplify right side
    162,081.21x = 24,205,105,132.33
  5. Step 5: Solve for x
    x = 24,205,105,132.33/162,081.21
  6. Step 6: Final answer
    x = 149,339.37

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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.