Home / 103,914.60-143,401.68-56,167.83

Finding the Fourth Proportional to 103,914.60, 143,401.68 and 56,167.83

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Solution

The fourth proportional to 103,914.60, 143,401.68 and 56,167.83 is: 77,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,914.60 : 143,401.68 = 56,167.83 : x
  2. Step 2: Convert to fraction form
    103,914.60/143,401.68 = 56,167.83/x
  3. Step 3: Cross multiply
    103,914.60x = 143,401.68 × 56,167.83
  4. Step 4: Simplify right side
    103,914.60x = 8,054,561,183.95
  5. Step 5: Solve for x
    x = 8,054,561,183.95/103,914.60
  6. Step 6: Final answer
    x = 77,511.35

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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.