Home / 209,920.48-314,891.66-60,146.56

Finding the Fourth Proportional to 209,920.48, 314,891.66 and 60,146.56

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Solution

The fourth proportional to 209,920.48, 314,891.66 and 60,146.56 is: 90,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,920.48 : 314,891.66 = 60,146.56 : x
  2. Step 2: Convert to fraction form
    209,920.48/314,891.66 = 60,146.56/x
  3. Step 3: Cross multiply
    209,920.48x = 314,891.66 × 60,146.56
  4. Step 4: Simplify right side
    209,920.48x = 18,939,650,121.69
  5. Step 5: Solve for x
    x = 18,939,650,121.69/209,920.48
  6. Step 6: Final answer
    x = 90,222.97

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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.