Home / 213,858.59-295,113.13-121,964.38

Finding the Fourth Proportional to 213,858.59, 295,113.13 and 121,964.38

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Solution

The fourth proportional to 213,858.59, 295,113.13 and 121,964.38 is: 168,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,858.59 : 295,113.13 = 121,964.38 : x
  2. Step 2: Convert to fraction form
    213,858.59/295,113.13 = 121,964.38/x
  3. Step 3: Cross multiply
    213,858.59x = 295,113.13 × 121,964.38
  4. Step 4: Simplify right side
    213,858.59x = 35,993,288,379.97
  5. Step 5: Solve for x
    x = 35,993,288,379.97/213,858.59
  6. Step 6: Final answer
    x = 168,304.15

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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.