Home / 146,734.75-220,133.69-45,530.79

Finding the Fourth Proportional to 146,734.75, 220,133.69 and 45,530.79

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Solution

The fourth proportional to 146,734.75, 220,133.69 and 45,530.79 is: 68,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.75 : 220,133.69 = 45,530.79 : x
  2. Step 2: Convert to fraction form
    146,734.75/220,133.69 = 45,530.79/x
  3. Step 3: Cross multiply
    146,734.75x = 220,133.69 × 45,530.79
  4. Step 4: Simplify right side
    146,734.75x = 10,022,860,811.32
  5. Step 5: Solve for x
    x = 10,022,860,811.32/146,734.75
  6. Step 6: Final answer
    x = 68,305.98

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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.