Home / 82,937.70-124,406.55-68,163.30

Finding the Fourth Proportional to 82,937.70, 124,406.55 and 68,163.30

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Solution

The fourth proportional to 82,937.70, 124,406.55 and 68,163.30 is: 102,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.70 : 124,406.55 = 68,163.30 : x
  2. Step 2: Convert to fraction form
    82,937.70/124,406.55 = 68,163.30/x
  3. Step 3: Cross multiply
    82,937.70x = 124,406.55 × 68,163.30
  4. Step 4: Simplify right side
    82,937.70x = 8,479,960,989.62
  5. Step 5: Solve for x
    x = 8,479,960,989.62/82,937.70
  6. Step 6: Final answer
    x = 102,244.95

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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.