Home / 144,869.55-217,260.15-100,178.22

Finding the Fourth Proportional to 144,869.55, 217,260.15 and 100,178.22

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Solution

The fourth proportional to 144,869.55, 217,260.15 and 100,178.22 is: 150,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,869.55 : 217,260.15 = 100,178.22 : x
  2. Step 2: Convert to fraction form
    144,869.55/217,260.15 = 100,178.22/x
  3. Step 3: Cross multiply
    144,869.55x = 217,260.15 × 100,178.22
  4. Step 4: Simplify right side
    144,869.55x = 21,764,735,103.93
  5. Step 5: Solve for x
    x = 21,764,735,103.93/144,869.55
  6. Step 6: Final answer
    x = 150,236.78

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1.5x scale

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.