Home / 136,245.95-204,087.50-79,916.42

Finding the Fourth Proportional to 136,245.95, 204,087.50 and 79,916.42

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Solution

The fourth proportional to 136,245.95, 204,087.50 and 79,916.42 is: 119,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,245.95 : 204,087.50 = 79,916.42 : x
  2. Step 2: Convert to fraction form
    136,245.95/204,087.50 = 79,916.42/x
  3. Step 3: Cross multiply
    136,245.95x = 204,087.50 × 79,916.42
  4. Step 4: Simplify right side
    136,245.95x = 16,309,942,777.07
  5. Step 5: Solve for x
    x = 16,309,942,777.07/136,245.95
  6. Step 6: Final answer
    x = 119,709.56

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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.