Home / 144,869.94-217,260.69-100,178.60

Finding the Fourth Proportional to 144,869.94, 217,260.69 and 100,178.60

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Solution

The fourth proportional to 144,869.94, 217,260.69 and 100,178.60 is: 150,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.94 : 217,260.69 = 100,178.60 : x
  2. Step 2: Convert to fraction form
    144,869.94/217,260.69 = 100,178.60/x
  3. Step 3: Cross multiply
    144,869.94x = 217,260.69 × 100,178.60
  4. Step 4: Simplify right side
    144,869.94x = 21,764,870,672.93
  5. Step 5: Solve for x
    x = 21,764,870,672.93/144,869.94
  6. Step 6: Final answer
    x = 150,237.31

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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.