Home / 103,408.96-155,131.62-53,475.46

Finding the Fourth Proportional to 103,408.96, 155,131.62 and 53,475.46

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Solution

The fourth proportional to 103,408.96, 155,131.62 and 53,475.46 is: 80,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,408.96 : 155,131.62 = 53,475.46 : x
  2. Step 2: Convert to fraction form
    103,408.96/155,131.62 = 53,475.46/x
  3. Step 3: Cross multiply
    103,408.96x = 155,131.62 × 53,475.46
  4. Step 4: Simplify right side
    103,408.96x = 8,295,734,740.05
  5. Step 5: Solve for x
    x = 8,295,734,740.05/103,408.96
  6. Step 6: Final answer
    x = 80,222.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.