Home / 213,917.85-295,120.22-123,225.21

Finding the Fourth Proportional to 213,917.85, 295,120.22 and 123,225.21

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Solution

The fourth proportional to 213,917.85, 295,120.22 and 123,225.21 is: 170,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,917.85 : 295,120.22 = 123,225.21 : x
  2. Step 2: Convert to fraction form
    213,917.85/295,120.22 = 123,225.21/x
  3. Step 3: Cross multiply
    213,917.85x = 295,120.22 × 123,225.21
  4. Step 4: Simplify right side
    213,917.85x = 36,366,250,468.62
  5. Step 5: Solve for x
    x = 36,366,250,468.62/213,917.85
  6. Step 6: Final answer
    x = 170,001.01

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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.