Home / 190,236.42-285,110.34-71,766.60

Finding the Fourth Proportional to 190,236.42, 285,110.34 and 71,766.60

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Solution

The fourth proportional to 190,236.42, 285,110.34 and 71,766.60 is: 107,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,236.42 : 285,110.34 = 71,766.60 : x
  2. Step 2: Convert to fraction form
    190,236.42/285,110.34 = 71,766.60/x
  3. Step 3: Cross multiply
    190,236.42x = 285,110.34 × 71,766.60
  4. Step 4: Simplify right side
    190,236.42x = 20,461,399,726.64
  5. Step 5: Solve for x
    x = 20,461,399,726.64/190,236.42
  6. Step 6: Final answer
    x = 107,557.74

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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.