Home / 148,098.87-204,377.43-90,738.30

Finding the Fourth Proportional to 148,098.87, 204,377.43 and 90,738.30

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Solution

The fourth proportional to 148,098.87, 204,377.43 and 90,738.30 is: 125,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,098.87 : 204,377.43 = 90,738.30 : x
  2. Step 2: Convert to fraction form
    148,098.87/204,377.43 = 90,738.30/x
  3. Step 3: Cross multiply
    148,098.87x = 204,377.43 × 90,738.30
  4. Step 4: Simplify right side
    148,098.87x = 18,544,860,556.57
  5. Step 5: Solve for x
    x = 18,544,860,556.57/148,098.87
  6. Step 6: Final answer
    x = 125,219.46

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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.