Home / 114,986.55-172,508.53-40,107.77

Finding the Fourth Proportional to 114,986.55, 172,508.53 and 40,107.77

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Solution

The fourth proportional to 114,986.55, 172,508.53 and 40,107.77 is: 60,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.55 : 172,508.53 = 40,107.77 : x
  2. Step 2: Convert to fraction form
    114,986.55/172,508.53 = 40,107.77/x
  3. Step 3: Cross multiply
    114,986.55x = 172,508.53 × 40,107.77
  4. Step 4: Simplify right side
    114,986.55x = 6,918,932,444.28
  5. Step 5: Solve for x
    x = 6,918,932,444.28/114,986.55
  6. Step 6: Final answer
    x = 60,171.67

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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.