Home / 99,278.82-148,917.94-40,113.80

Finding the Fourth Proportional to 99,278.82, 148,917.94 and 40,113.80

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Solution

The fourth proportional to 99,278.82, 148,917.94 and 40,113.80 is: 60,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.82 : 148,917.94 = 40,113.80 : x
  2. Step 2: Convert to fraction form
    99,278.82/148,917.94 = 40,113.80/x
  3. Step 3: Cross multiply
    99,278.82x = 148,917.94 × 40,113.80
  4. Step 4: Simplify right side
    99,278.82x = 5,973,664,461.57
  5. Step 5: Solve for x
    x = 5,973,664,461.57/99,278.82
  6. Step 6: Final answer
    x = 60,170.58

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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.