Home / 144,869.43-217,259.94-100,178.09

Finding the Fourth Proportional to 144,869.43, 217,259.94 and 100,178.09

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Solution

The fourth proportional to 144,869.43, 217,259.94 and 100,178.09 is: 150,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.43 : 217,259.94 = 100,178.09 : x
  2. Step 2: Convert to fraction form
    144,869.43/217,259.94 = 100,178.09/x
  3. Step 3: Cross multiply
    144,869.43x = 217,259.94 × 100,178.09
  4. Step 4: Simplify right side
    144,869.43x = 21,764,685,822.71
  5. Step 5: Solve for x
    x = 21,764,685,822.71/144,869.43
  6. Step 6: Final answer
    x = 150,236.57

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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.