Home / 145,744.37-218,616.60-112,512.95

Finding the Fourth Proportional to 145,744.37, 218,616.60 and 112,512.95

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Solution

The fourth proportional to 145,744.37, 218,616.60 and 112,512.95 is: 168,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,744.37 : 218,616.60 = 112,512.95 : x
  2. Step 2: Convert to fraction form
    145,744.37/218,616.60 = 112,512.95/x
  3. Step 3: Cross multiply
    145,744.37x = 218,616.60 × 112,512.95
  4. Step 4: Simplify right side
    145,744.37x = 24,597,198,584.97
  5. Step 5: Solve for x
    x = 24,597,198,584.97/145,744.37
  6. Step 6: Final answer
    x = 168,769.46

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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.