Home / 212,639.58-293,441.94-117,145.44

Finding the Fourth Proportional to 212,639.58, 293,441.94 and 117,145.44

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Solution

The fourth proportional to 212,639.58, 293,441.94 and 117,145.44 is: 161,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,639.58 : 293,441.94 = 117,145.44 : x
  2. Step 2: Convert to fraction form
    212,639.58/293,441.94 = 117,145.44/x
  3. Step 3: Cross multiply
    212,639.58x = 293,441.94 × 117,145.44
  4. Step 4: Simplify right side
    212,639.58x = 34,375,385,175.75
  5. Step 5: Solve for x
    x = 34,375,385,175.75/212,639.58
  6. Step 6: Final answer
    x = 161,660.33

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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.