Home / 147,354.18-203,348.79-80,286.18

Finding the Fourth Proportional to 147,354.18, 203,348.79 and 80,286.18

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Solution

The fourth proportional to 147,354.18, 203,348.79 and 80,286.18 is: 110,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.18 : 203,348.79 = 80,286.18 : x
  2. Step 2: Convert to fraction form
    147,354.18/203,348.79 = 80,286.18/x
  3. Step 3: Cross multiply
    147,354.18x = 203,348.79 × 80,286.18
  4. Step 4: Simplify right side
    147,354.18x = 16,326,097,556.72
  5. Step 5: Solve for x
    x = 16,326,097,556.72/147,354.18
  6. Step 6: Final answer
    x = 110,794.94

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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.