Home / 82,253.21-123,425.43-40,133.64

Finding the Fourth Proportional to 82,253.21, 123,425.43 and 40,133.64

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Solution

The fourth proportional to 82,253.21, 123,425.43 and 40,133.64 is: 60,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,253.21 : 123,425.43 = 40,133.64 : x
  2. Step 2: Convert to fraction form
    82,253.21/123,425.43 = 40,133.64/x
  3. Step 3: Cross multiply
    82,253.21x = 123,425.43 × 40,133.64
  4. Step 4: Simplify right side
    82,253.21x = 4,953,511,774.47
  5. Step 5: Solve for x
    x = 4,953,511,774.47/82,253.21
  6. Step 6: Final answer
    x = 60,222.72

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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.