Home / 129,825.99-179,168.76-82,076.49

Finding the Fourth Proportional to 129,825.99, 179,168.76 and 82,076.49

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Solution

The fourth proportional to 129,825.99, 179,168.76 and 82,076.49 is: 113,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,825.99 : 179,168.76 = 82,076.49 : x
  2. Step 2: Convert to fraction form
    129,825.99/179,168.76 = 82,076.49/x
  3. Step 3: Cross multiply
    129,825.99x = 179,168.76 × 82,076.49
  4. Step 4: Simplify right side
    129,825.99x = 14,705,542,938.45
  5. Step 5: Solve for x
    x = 14,705,542,938.45/129,825.99
  6. Step 6: Final answer
    x = 113,271.18

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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.