Home / 104,228.64-143,834.94-56,481.98

Finding the Fourth Proportional to 104,228.64, 143,834.94 and 56,481.98

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Solution

The fourth proportional to 104,228.64, 143,834.94 and 56,481.98 is: 77,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.64 : 143,834.94 = 56,481.98 : x
  2. Step 2: Convert to fraction form
    104,228.64/143,834.94 = 56,481.98/x
  3. Step 3: Cross multiply
    104,228.64x = 143,834.94 × 56,481.98
  4. Step 4: Simplify right side
    104,228.64x = 8,124,081,485.21
  5. Step 5: Solve for x
    x = 8,124,081,485.21/104,228.64
  6. Step 6: Final answer
    x = 77,944.81

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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.