Home / 190,133.46-285,245.55-65,475.54

Finding the Fourth Proportional to 190,133.46, 285,245.55 and 65,475.54

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Solution

The fourth proportional to 190,133.46, 285,245.55 and 65,475.54 is: 98,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,133.46 : 285,245.55 = 65,475.54 : x
  2. Step 2: Convert to fraction form
    190,133.46/285,245.55 = 65,475.54/x
  3. Step 3: Cross multiply
    190,133.46x = 285,245.55 × 65,475.54
  4. Step 4: Simplify right side
    190,133.46x = 18,676,606,418.85
  5. Step 5: Solve for x
    x = 18,676,606,418.85/190,133.46
  6. Step 6: Final answer
    x = 98,228.93

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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.