Home / 149,161.28-223,823.94-70,273.46

Finding the Fourth Proportional to 149,161.28, 223,823.94 and 70,273.46

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Solution

The fourth proportional to 149,161.28, 223,823.94 and 70,273.46 is: 105,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,161.28 : 223,823.94 = 70,273.46 : x
  2. Step 2: Convert to fraction form
    149,161.28/223,823.94 = 70,273.46/x
  3. Step 3: Cross multiply
    149,161.28x = 223,823.94 × 70,273.46
  4. Step 4: Simplify right side
    149,161.28x = 15,728,882,694.63
  5. Step 5: Solve for x
    x = 15,728,882,694.63/149,161.28
  6. Step 6: Final answer
    x = 105,448.83

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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.