Home / 199,401.09-298,398.96-124,556.46

Finding the Fourth Proportional to 199,401.09, 298,398.96 and 124,556.46

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Solution

The fourth proportional to 199,401.09, 298,398.96 and 124,556.46 is: 186,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,401.09 : 298,398.96 = 124,556.46 : x
  2. Step 2: Convert to fraction form
    199,401.09/298,398.96 = 124,556.46/x
  3. Step 3: Cross multiply
    199,401.09x = 298,398.96 × 124,556.46
  4. Step 4: Simplify right side
    199,401.09x = 37,167,518,125.28
  5. Step 5: Solve for x
    x = 37,167,518,125.28/199,401.09
  6. Step 6: Final answer
    x = 186,395.76

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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.