Home / 212,285.58-318,504.92-107,025.28

Finding the Fourth Proportional to 212,285.58, 318,504.92 and 107,025.28

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Solution

The fourth proportional to 212,285.58, 318,504.92 and 107,025.28 is: 160,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,285.58 : 318,504.92 = 107,025.28 : x
  2. Step 2: Convert to fraction form
    212,285.58/318,504.92 = 107,025.28/x
  3. Step 3: Cross multiply
    212,285.58x = 318,504.92 × 107,025.28
  4. Step 4: Simplify right side
    212,285.58x = 34,088,078,244.38
  5. Step 5: Solve for x
    x = 34,088,078,244.38/212,285.58
  6. Step 6: Final answer
    x = 160,576.51

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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.