Home / 99,942.66-149,919.66-40,777.02

Finding the Fourth Proportional to 99,942.66, 149,919.66 and 40,777.02

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Solution

The fourth proportional to 99,942.66, 149,919.66 and 40,777.02 is: 61,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942.66 : 149,919.66 = 40,777.02 : x
  2. Step 2: Convert to fraction form
    99,942.66/149,919.66 = 40,777.02/x
  3. Step 3: Cross multiply
    99,942.66x = 149,919.66 × 40,777.02
  4. Step 4: Simplify right side
    99,942.66x = 6,113,276,974.21
  5. Step 5: Solve for x
    x = 6,113,276,974.21/99,942.66
  6. Step 6: Final answer
    x = 61,167.84

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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.