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Finding the Fourth Proportional to 114,080.38, 171,120.59 and 30,974.38

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Solution

The fourth proportional to 114,080.38, 171,120.59 and 30,974.38 is: 46,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,080.38 : 171,120.59 = 30,974.38 : x
  2. Step 2: Convert to fraction form
    114,080.38/171,120.59 = 30,974.38/x
  3. Step 3: Cross multiply
    114,080.38x = 171,120.59 × 30,974.38
  4. Step 4: Simplify right side
    114,080.38x = 5,300,354,180.48
  5. Step 5: Solve for x
    x = 5,300,354,180.48/114,080.38
  6. Step 6: Final answer
    x = 46,461.58

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1.5x scale

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.