Home / 82,106.55-123,163.47-32,182.20

Finding the Fourth Proportional to 82,106.55, 123,163.47 and 32,182.20

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Solution

The fourth proportional to 82,106.55, 123,163.47 and 32,182.20 is: 48,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.55 : 123,163.47 = 32,182.20 : x
  2. Step 2: Convert to fraction form
    82,106.55/123,163.47 = 32,182.20/x
  3. Step 3: Cross multiply
    82,106.55x = 123,163.47 × 32,182.20
  4. Step 4: Simplify right side
    82,106.55x = 3,963,671,424.23
  5. Step 5: Solve for x
    x = 3,963,671,424.23/82,106.55
  6. Step 6: Final answer
    x = 48,274.73

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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.