Home / 213,968.64-295,326.24-142,351.68

Finding the Fourth Proportional to 213,968.64, 295,326.24 and 142,351.68

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Solution

The fourth proportional to 213,968.64, 295,326.24 and 142,351.68 is: 196,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,968.64 : 295,326.24 = 142,351.68 : x
  2. Step 2: Convert to fraction form
    213,968.64/295,326.24 = 142,351.68/x
  3. Step 3: Cross multiply
    213,968.64x = 295,326.24 × 142,351.68
  4. Step 4: Simplify right side
    213,968.64x = 42,040,186,412.08
  5. Step 5: Solve for x
    x = 42,040,186,412.08/213,968.64
  6. Step 6: Final answer
    x = 196,478.26

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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.