Home / 102,722.89-141,771.66-59,114.54

Finding the Fourth Proportional to 102,722.89, 141,771.66 and 59,114.54

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Solution

The fourth proportional to 102,722.89, 141,771.66 and 59,114.54 is: 81,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,722.89 : 141,771.66 = 59,114.54 : x
  2. Step 2: Convert to fraction form
    102,722.89/141,771.66 = 59,114.54/x
  3. Step 3: Cross multiply
    102,722.89x = 141,771.66 × 59,114.54
  4. Step 4: Simplify right side
    102,722.89x = 8,380,766,465.94
  5. Step 5: Solve for x
    x = 8,380,766,465.94/102,722.89
  6. Step 6: Final answer
    x = 81,586.16

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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.