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Finding the Fourth Proportional to 192,205.62, 265,173.48 and 120,559.50

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Solution

The fourth proportional to 192,205.62, 265,173.48 and 120,559.50 is: 166,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,205.62 : 265,173.48 = 120,559.50 : x
  2. Step 2: Convert to fraction form
    192,205.62/265,173.48 = 120,559.50/x
  3. Step 3: Cross multiply
    192,205.62x = 265,173.48 × 120,559.50
  4. Step 4: Simplify right side
    192,205.62x = 31,969,182,162.06
  5. Step 5: Solve for x
    x = 31,969,182,162.06/192,205.62
  6. Step 6: Final answer
    x = 166,328.03

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1.5x scale

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.