Home / 148,286.62-204,636.53-80,303.65

Finding the Fourth Proportional to 148,286.62, 204,636.53 and 80,303.65

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Solution

The fourth proportional to 148,286.62, 204,636.53 and 80,303.65 is: 110,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,286.62 : 204,636.53 = 80,303.65 : x
  2. Step 2: Convert to fraction form
    148,286.62/204,636.53 = 80,303.65/x
  3. Step 3: Cross multiply
    148,286.62x = 204,636.53 × 80,303.65
  4. Step 4: Simplify right side
    148,286.62x = 16,433,059,971.50
  5. Step 5: Solve for x
    x = 16,433,059,971.50/148,286.62
  6. Step 6: Final answer
    x = 110,819.58

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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.