Home / 103,914.35-143,401.72-56,167.70

Finding the Fourth Proportional to 103,914.35, 143,401.72 and 56,167.70

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Solution

The fourth proportional to 103,914.35, 143,401.72 and 56,167.70 is: 77,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,914.35 : 143,401.72 = 56,167.70 : x
  2. Step 2: Convert to fraction form
    103,914.35/143,401.72 = 56,167.70/x
  3. Step 3: Cross multiply
    103,914.35x = 143,401.72 × 56,167.70
  4. Step 4: Simplify right side
    103,914.35x = 8,054,544,788.44
  5. Step 5: Solve for x
    x = 8,054,544,788.44/103,914.35
  6. Step 6: Final answer
    x = 77,511.38

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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.