Home / 190,669.83-285,892.60-72,349.49

Finding the Fourth Proportional to 190,669.83, 285,892.60 and 72,349.49

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Solution

The fourth proportional to 190,669.83, 285,892.60 and 72,349.49 is: 108,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.83 : 285,892.60 = 72,349.49 : x
  2. Step 2: Convert to fraction form
    190,669.83/285,892.60 = 72,349.49/x
  3. Step 3: Cross multiply
    190,669.83x = 285,892.60 × 72,349.49
  4. Step 4: Simplify right side
    190,669.83x = 20,684,182,013.56
  5. Step 5: Solve for x
    x = 20,684,182,013.56/190,669.83
  6. Step 6: Final answer
    x = 108,481.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.