Home / 212,662.26-319,037.13-146,133.72

Finding the Fourth Proportional to 212,662.26, 319,037.13 and 146,133.72

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Solution

The fourth proportional to 212,662.26, 319,037.13 and 146,133.72 is: 219,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,662.26 : 319,037.13 = 146,133.72 : x
  2. Step 2: Convert to fraction form
    212,662.26/319,037.13 = 146,133.72/x
  3. Step 3: Cross multiply
    212,662.26x = 319,037.13 × 146,133.72
  4. Step 4: Simplify right side
    212,662.26x = 46,622,082,625.02
  5. Step 5: Solve for x
    x = 46,622,082,625.02/212,662.26
  6. Step 6: Final answer
    x = 219,230.64

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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.