Home / 123,922.20-185,624.10-68,453.40

Finding the Fourth Proportional to 123,922.20, 185,624.10 and 68,453.40

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Solution

The fourth proportional to 123,922.20, 185,624.10 and 68,453.40 is: 102,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.20 : 185,624.10 = 68,453.40 : x
  2. Step 2: Convert to fraction form
    123,922.20/185,624.10 = 68,453.40/x
  3. Step 3: Cross multiply
    123,922.20x = 185,624.10 × 68,453.40
  4. Step 4: Simplify right side
    123,922.20x = 12,706,600,766.94
  5. Step 5: Solve for x
    x = 12,706,600,766.94/123,922.20
  6. Step 6: Final answer
    x = 102,536.92

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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.