Home / 114,629.72-171,695.70-70,121.43

Finding the Fourth Proportional to 114,629.72, 171,695.70 and 70,121.43

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Solution

The fourth proportional to 114,629.72, 171,695.70 and 70,121.43 is: 105,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,629.72 : 171,695.70 = 70,121.43 : x
  2. Step 2: Convert to fraction form
    114,629.72/171,695.70 = 70,121.43/x
  3. Step 3: Cross multiply
    114,629.72x = 171,695.70 × 70,121.43
  4. Step 4: Simplify right side
    114,629.72x = 12,039,548,008.85
  5. Step 5: Solve for x
    x = 12,039,548,008.85/114,629.72
  6. Step 6: Final answer
    x = 105,029.90

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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.