Home / 114,950.76-172,430.66-40,078.54

Finding the Fourth Proportional to 114,950.76, 172,430.66 and 40,078.54

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Solution

The fourth proportional to 114,950.76, 172,430.66 and 40,078.54 is: 60,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,950.76 : 172,430.66 = 40,078.54 : x
  2. Step 2: Convert to fraction form
    114,950.76/172,430.66 = 40,078.54/x
  3. Step 3: Cross multiply
    114,950.76x = 172,430.66 × 40,078.54
  4. Step 4: Simplify right side
    114,950.76x = 6,910,769,104.04
  5. Step 5: Solve for x
    x = 6,910,769,104.04/114,950.76
  6. Step 6: Final answer
    x = 60,119.39

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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.