Home / 222,172.29-306,578.66-125,370.81

Finding the Fourth Proportional to 222,172.29, 306,578.66 and 125,370.81

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Solution

The fourth proportional to 222,172.29, 306,578.66 and 125,370.81 is: 173,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,172.29 : 306,578.66 = 125,370.81 : x
  2. Step 2: Convert to fraction form
    222,172.29/306,578.66 = 125,370.81/x
  3. Step 3: Cross multiply
    222,172.29x = 306,578.66 × 125,370.81
  4. Step 4: Simplify right side
    222,172.29x = 38,436,014,306.06
  5. Step 5: Solve for x
    x = 38,436,014,306.06/222,172.29
  6. Step 6: Final answer
    x = 173,000.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.