Home / 192,904.74-289,440.09-104,140.62

Finding the Fourth Proportional to 192,904.74, 289,440.09 and 104,140.62

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Solution

The fourth proportional to 192,904.74, 289,440.09 and 104,140.62 is: 156,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,904.74 : 289,440.09 = 104,140.62 : x
  2. Step 2: Convert to fraction form
    192,904.74/289,440.09 = 104,140.62/x
  3. Step 3: Cross multiply
    192,904.74x = 289,440.09 × 104,140.62
  4. Step 4: Simplify right side
    192,904.74x = 30,142,470,425.46
  5. Step 5: Solve for x
    x = 30,142,470,425.46/192,904.74
  6. Step 6: Final answer
    x = 156,255.73

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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.