Home / 212,286.58-318,506.42-107,026.28

Finding the Fourth Proportional to 212,286.58, 318,506.42 and 107,026.28

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Solution

The fourth proportional to 212,286.58, 318,506.42 and 107,026.28 is: 160,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,286.58 : 318,506.42 = 107,026.28 : x
  2. Step 2: Convert to fraction form
    212,286.58/318,506.42 = 107,026.28/x
  3. Step 3: Cross multiply
    212,286.58x = 318,506.42 × 107,026.28
  4. Step 4: Simplify right side
    212,286.58x = 34,088,557,288.72
  5. Step 5: Solve for x
    x = 34,088,557,288.72/212,286.58
  6. Step 6: Final answer
    x = 160,578.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.