Home / 104,723.98-144,520.57-56,977.37

Finding the Fourth Proportional to 104,723.98, 144,520.57 and 56,977.37

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Solution

The fourth proportional to 104,723.98, 144,520.57 and 56,977.37 is: 78,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.98 : 144,520.57 = 56,977.37 : x
  2. Step 2: Convert to fraction form
    104,723.98/144,520.57 = 56,977.37/x
  3. Step 3: Cross multiply
    104,723.98x = 144,520.57 × 56,977.37
  4. Step 4: Simplify right side
    104,723.98x = 8,234,401,124.45
  5. Step 5: Solve for x
    x = 8,234,401,124.45/104,723.98
  6. Step 6: Final answer
    x = 78,629.57

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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.