Home / 190,470.77-285,455.46-106,270.55

Finding the Fourth Proportional to 190,470.77, 285,455.46 and 106,270.55

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Solution

The fourth proportional to 190,470.77, 285,455.46 and 106,270.55 is: 159,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,470.77 : 285,455.46 = 106,270.55 : x
  2. Step 2: Convert to fraction form
    190,470.77/285,455.46 = 106,270.55/x
  3. Step 3: Cross multiply
    190,470.77x = 285,455.46 × 106,270.55
  4. Step 4: Simplify right side
    190,470.77x = 30,335,508,734.70
  5. Step 5: Solve for x
    x = 30,335,508,734.70/190,470.77
  6. Step 6: Final answer
    x = 159,265.95

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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.