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Finding the Fourth Proportional to 144,419.82, 199,302.03 and 80,764.62

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Solution

The fourth proportional to 144,419.82, 199,302.03 and 80,764.62 is: 111,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,419.82 : 199,302.03 = 80,764.62 : x
  2. Step 2: Convert to fraction form
    144,419.82/199,302.03 = 80,764.62/x
  3. Step 3: Cross multiply
    144,419.82x = 199,302.03 × 80,764.62
  4. Step 4: Simplify right side
    144,419.82x = 16,096,552,718.18
  5. Step 5: Solve for x
    x = 16,096,552,718.18/144,419.82
  6. Step 6: Final answer
    x = 111,456.67

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1.5x scale

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.