Home / 190,465.22-285,668.64-50,234.78

Finding the Fourth Proportional to 190,465.22, 285,668.64 and 50,234.78

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Solution

The fourth proportional to 190,465.22, 285,668.64 and 50,234.78 is: 75,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,465.22 : 285,668.64 = 50,234.78 : x
  2. Step 2: Convert to fraction form
    190,465.22/285,668.64 = 50,234.78/x
  3. Step 3: Cross multiply
    190,465.22x = 285,668.64 × 50,234.78
  4. Step 4: Simplify right side
    190,465.22x = 14,350,501,997.47
  5. Step 5: Solve for x
    x = 14,350,501,997.47/190,465.22
  6. Step 6: Final answer
    x = 75,344.47

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1.5x scale

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.