Home / 190,500.83-285,729.35-50,270.39

Finding the Fourth Proportional to 190,500.83, 285,729.35 and 50,270.39

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Solution

The fourth proportional to 190,500.83, 285,729.35 and 50,270.39 is: 75,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,500.83 : 285,729.35 = 50,270.39 : x
  2. Step 2: Convert to fraction form
    190,500.83/285,729.35 = 50,270.39/x
  3. Step 3: Cross multiply
    190,500.83x = 285,729.35 × 50,270.39
  4. Step 4: Simplify right side
    190,500.83x = 14,363,724,178.95
  5. Step 5: Solve for x
    x = 14,363,724,178.95/190,500.83
  6. Step 6: Final answer
    x = 75,399.80

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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.