Home / 213,933.78-295,216.86-117,118.88

Finding the Fourth Proportional to 213,933.78, 295,216.86 and 117,118.88

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Solution

The fourth proportional to 213,933.78, 295,216.86 and 117,118.88 is: 161,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,933.78 : 295,216.86 = 117,118.88 : x
  2. Step 2: Convert to fraction form
    213,933.78/295,216.86 = 117,118.88/x
  3. Step 3: Cross multiply
    213,933.78x = 295,216.86 × 117,118.88
  4. Step 4: Simplify right side
    213,933.78x = 34,575,468,000.32
  5. Step 5: Solve for x
    x = 34,575,468,000.32/213,933.78
  6. Step 6: Final answer
    x = 161,617.62

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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.