Home / 180,401.21-248,949.94-99,828.68

Finding the Fourth Proportional to 180,401.21, 248,949.94 and 99,828.68

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Solution

The fourth proportional to 180,401.21, 248,949.94 and 99,828.68 is: 137,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,401.21 : 248,949.94 = 99,828.68 : x
  2. Step 2: Convert to fraction form
    180,401.21/248,949.94 = 99,828.68/x
  3. Step 3: Cross multiply
    180,401.21x = 248,949.94 × 99,828.68
  4. Step 4: Simplify right side
    180,401.21x = 24,852,342,401.96
  5. Step 5: Solve for x
    x = 24,852,342,401.96/180,401.21
  6. Step 6: Final answer
    x = 137,761.51

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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.