Home / 103,634.82-143,005.84-58,311.80

Finding the Fourth Proportional to 103,634.82, 143,005.84 and 58,311.80

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Solution

The fourth proportional to 103,634.82, 143,005.84 and 58,311.80 is: 80,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.82 : 143,005.84 = 58,311.80 : x
  2. Step 2: Convert to fraction form
    103,634.82/143,005.84 = 58,311.80/x
  3. Step 3: Cross multiply
    103,634.82x = 143,005.84 × 58,311.80
  4. Step 4: Simplify right side
    103,634.82x = 8,338,927,940.91
  5. Step 5: Solve for x
    x = 8,338,927,940.91/103,634.82
  6. Step 6: Final answer
    x = 80,464.54

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1.5x scale

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.