Home / 144,277.89-199,102.93-80,615.67

Finding the Fourth Proportional to 144,277.89, 199,102.93 and 80,615.67

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Solution

The fourth proportional to 144,277.89, 199,102.93 and 80,615.67 is: 111,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,277.89 : 199,102.93 = 80,615.67 : x
  2. Step 2: Convert to fraction form
    144,277.89/199,102.93 = 80,615.67/x
  3. Step 3: Cross multiply
    144,277.89x = 199,102.93 × 80,615.67
  4. Step 4: Simplify right side
    144,277.89x = 16,050,816,100.91
  5. Step 5: Solve for x
    x = 16,050,816,100.91/144,277.89
  6. Step 6: Final answer
    x = 111,249.31

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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.