Home / 140,825.46-211,272.81-40,986.54

Finding the Fourth Proportional to 140,825.46, 211,272.81 and 40,986.54

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Solution

The fourth proportional to 140,825.46, 211,272.81 and 40,986.54 is: 61,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,825.46 : 211,272.81 = 40,986.54 : x
  2. Step 2: Convert to fraction form
    140,825.46/211,272.81 = 40,986.54/x
  3. Step 3: Cross multiply
    140,825.46x = 211,272.81 × 40,986.54
  4. Step 4: Simplify right side
    140,825.46x = 8,659,341,477.98
  5. Step 5: Solve for x
    x = 8,659,341,477.98/140,825.46
  6. Step 6: Final answer
    x = 61,489.89

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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.