Home / 104,433.99-144,121.94-56,690.37

Finding the Fourth Proportional to 104,433.99, 144,121.94 and 56,690.37

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Solution

The fourth proportional to 104,433.99, 144,121.94 and 56,690.37 is: 78,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.99 : 144,121.94 = 56,690.37 : x
  2. Step 2: Convert to fraction form
    104,433.99/144,121.94 = 56,690.37/x
  3. Step 3: Cross multiply
    104,433.99x = 144,121.94 × 56,690.37
  4. Step 4: Simplify right side
    104,433.99x = 8,170,325,820.27
  5. Step 5: Solve for x
    x = 8,170,325,820.27/104,433.99
  6. Step 6: Final answer
    x = 78,234.35

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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.