Home / 105,604.48-145,738.20-60,289.84

Finding the Fourth Proportional to 105,604.48, 145,738.20 and 60,289.84

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Solution

The fourth proportional to 105,604.48, 145,738.20 and 60,289.84 is: 83,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,604.48 : 145,738.20 = 60,289.84 : x
  2. Step 2: Convert to fraction form
    105,604.48/145,738.20 = 60,289.84/x
  3. Step 3: Cross multiply
    105,604.48x = 145,738.20 × 60,289.84
  4. Step 4: Simplify right side
    105,604.48x = 8,786,532,759.89
  5. Step 5: Solve for x
    x = 8,786,532,759.89/105,604.48
  6. Step 6: Final answer
    x = 83,202.27

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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.