Home / 102,166.75-140,990.82-56,846.65

Finding the Fourth Proportional to 102,166.75, 140,990.82 and 56,846.65

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Solution

The fourth proportional to 102,166.75, 140,990.82 and 56,846.65 is: 78,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.75 : 140,990.82 = 56,846.65 : x
  2. Step 2: Convert to fraction form
    102,166.75/140,990.82 = 56,846.65/x
  3. Step 3: Cross multiply
    102,166.75x = 140,990.82 × 56,846.65
  4. Step 4: Simplify right side
    102,166.75x = 8,014,855,092.80
  5. Step 5: Solve for x
    x = 8,014,855,092.80/102,166.75
  6. Step 6: Final answer
    x = 78,448.76

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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.