Home / 199,474.74-298,962.18-99,662.76

Finding the Fourth Proportional to 199,474.74, 298,962.18 and 99,662.76

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Solution

The fourth proportional to 199,474.74, 298,962.18 and 99,662.76 is: 149,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,474.74 : 298,962.18 = 99,662.76 : x
  2. Step 2: Convert to fraction form
    199,474.74/298,962.18 = 99,662.76/x
  3. Step 3: Cross multiply
    199,474.74x = 298,962.18 × 99,662.76
  4. Step 4: Simplify right side
    199,474.74x = 29,795,395,994.42
  5. Step 5: Solve for x
    x = 29,795,395,994.42/199,474.74
  6. Step 6: Final answer
    x = 149,369.27

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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.