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Finding the Fourth Proportional to 163,244.79, 244,920.11 and 80,080.47

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Solution

The fourth proportional to 163,244.79, 244,920.11 and 80,080.47 is: 120,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,244.79 : 244,920.11 = 80,080.47 : x
  2. Step 2: Convert to fraction form
    163,244.79/244,920.11 = 80,080.47/x
  3. Step 3: Cross multiply
    163,244.79x = 244,920.11 × 80,080.47
  4. Step 4: Simplify right side
    163,244.79x = 19,613,317,120.85
  5. Step 5: Solve for x
    x = 19,613,317,120.85/163,244.79
  6. Step 6: Final answer
    x = 120,146.67

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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.