Home / 212,037.34-318,163.63-141,009.38

Finding the Fourth Proportional to 212,037.34, 318,163.63 and 141,009.38

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Solution

The fourth proportional to 212,037.34, 318,163.63 and 141,009.38 is: 211,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,037.34 : 318,163.63 = 141,009.38 : x
  2. Step 2: Convert to fraction form
    212,037.34/318,163.63 = 141,009.38/x
  3. Step 3: Cross multiply
    212,037.34x = 318,163.63 × 141,009.38
  4. Step 4: Simplify right side
    212,037.34x = 44,864,056,204.85
  5. Step 5: Solve for x
    x = 44,864,056,204.85/212,037.34
  6. Step 6: Final answer
    x = 211,585.64

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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.