Home / 150,628.74-225,948.99-45,447.72

Finding the Fourth Proportional to 150,628.74, 225,948.99 and 45,447.72

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Solution

The fourth proportional to 150,628.74, 225,948.99 and 45,447.72 is: 68,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,628.74 : 225,948.99 = 45,447.72 : x
  2. Step 2: Convert to fraction form
    150,628.74/225,948.99 = 45,447.72/x
  3. Step 3: Cross multiply
    150,628.74x = 225,948.99 × 45,447.72
  4. Step 4: Simplify right side
    150,628.74x = 10,268,866,431.80
  5. Step 5: Solve for x
    x = 10,268,866,431.80/150,628.74
  6. Step 6: Final answer
    x = 68,173.35

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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.