Home / 190,311.30-262,657.56-109,723.05

Finding the Fourth Proportional to 190,311.30, 262,657.56 and 109,723.05

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Solution

The fourth proportional to 190,311.30, 262,657.56 and 109,723.05 is: 151,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,311.30 : 262,657.56 = 109,723.05 : x
  2. Step 2: Convert to fraction form
    190,311.30/262,657.56 = 109,723.05/x
  3. Step 3: Cross multiply
    190,311.30x = 262,657.56 × 109,723.05
  4. Step 4: Simplify right side
    190,311.30x = 28,819,589,245.40
  5. Step 5: Solve for x
    x = 28,819,589,245.40/190,311.30
  6. Step 6: Final answer
    x = 151,433.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.