Home / 199,423.53-298,433.03-124,578.81

Finding the Fourth Proportional to 199,423.53, 298,433.03 and 124,578.81

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Solution

The fourth proportional to 199,423.53, 298,433.03 and 124,578.81 is: 186,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,423.53 : 298,433.03 = 124,578.81 : x
  2. Step 2: Convert to fraction form
    199,423.53/298,433.03 = 124,578.81/x
  3. Step 3: Cross multiply
    199,423.53x = 298,433.03 × 124,578.81
  4. Step 4: Simplify right side
    199,423.53x = 37,178,431,119.20
  5. Step 5: Solve for x
    x = 37,178,431,119.20/199,423.53
  6. Step 6: Final answer
    x = 186,429.51

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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.