Home / 190,664.45-285,998.34-48,509.85

Finding the Fourth Proportional to 190,664.45, 285,998.34 and 48,509.85

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Solution

The fourth proportional to 190,664.45, 285,998.34 and 48,509.85 is: 72,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,664.45 : 285,998.34 = 48,509.85 : x
  2. Step 2: Convert to fraction form
    190,664.45/285,998.34 = 48,509.85/x
  3. Step 3: Cross multiply
    190,664.45x = 285,998.34 × 48,509.85
  4. Step 4: Simplify right side
    190,664.45x = 13,873,736,573.65
  5. Step 5: Solve for x
    x = 13,873,736,573.65/190,664.45
  6. Step 6: Final answer
    x = 72,765.20

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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.