Home / 129,604.25-194,406.38-31,108.25

Finding the Fourth Proportional to 129,604.25, 194,406.38 and 31,108.25

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Solution

The fourth proportional to 129,604.25, 194,406.38 and 31,108.25 is: 46,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,604.25 : 194,406.38 = 31,108.25 : x
  2. Step 2: Convert to fraction form
    129,604.25/194,406.38 = 31,108.25/x
  3. Step 3: Cross multiply
    129,604.25x = 194,406.38 × 31,108.25
  4. Step 4: Simplify right side
    129,604.25x = 6,047,642,115.09
  5. Step 5: Solve for x
    x = 6,047,642,115.09/129,604.25
  6. Step 6: Final answer
    x = 46,662.38

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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.