Home / 213,826.39-295,081.20-115,709.64

Finding the Fourth Proportional to 213,826.39, 295,081.20 and 115,709.64

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Solution

The fourth proportional to 213,826.39, 295,081.20 and 115,709.64 is: 159,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,826.39 : 295,081.20 = 115,709.64 : x
  2. Step 2: Convert to fraction form
    213,826.39/295,081.20 = 115,709.64/x
  3. Step 3: Cross multiply
    213,826.39x = 295,081.20 × 115,709.64
  4. Step 4: Simplify right side
    213,826.39x = 34,143,738,316.21
  5. Step 5: Solve for x
    x = 34,143,738,316.21/213,826.39
  6. Step 6: Final answer
    x = 159,679.72

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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.