Home / 286,100.45-429,078.39-106,086.95

Finding the Fourth Proportional to 286,100.45, 429,078.39 and 106,086.95

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Solution

The fourth proportional to 286,100.45, 429,078.39 and 106,086.95 is: 159,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,100.45 : 429,078.39 = 106,086.95 : x
  2. Step 2: Convert to fraction form
    286,100.45/429,078.39 = 106,086.95/x
  3. Step 3: Cross multiply
    286,100.45x = 429,078.39 × 106,086.95
  4. Step 4: Simplify right side
    286,100.45x = 45,519,617,706.01
  5. Step 5: Solve for x
    x = 45,519,617,706.01/286,100.45
  6. Step 6: Final answer
    x = 159,103.62

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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.