Home / 104,074.50-143,622.54-56,327.85

Finding the Fourth Proportional to 104,074.50, 143,622.54 and 56,327.85

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Solution

The fourth proportional to 104,074.50, 143,622.54 and 56,327.85 is: 77,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.50 : 143,622.54 = 56,327.85 : x
  2. Step 2: Convert to fraction form
    104,074.50/143,622.54 = 56,327.85/x
  3. Step 3: Cross multiply
    104,074.50x = 143,622.54 × 56,327.85
  4. Step 4: Simplify right side
    104,074.50x = 8,089,948,889.74
  5. Step 5: Solve for x
    x = 8,089,948,889.74/104,074.50
  6. Step 6: Final answer
    x = 77,732.29

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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.