Home / 122,021.70-168,391.73-70,310.29

Finding the Fourth Proportional to 122,021.70, 168,391.73 and 70,310.29

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Solution

The fourth proportional to 122,021.70, 168,391.73 and 70,310.29 is: 97,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,021.70 : 168,391.73 = 70,310.29 : x
  2. Step 2: Convert to fraction form
    122,021.70/168,391.73 = 70,310.29/x
  3. Step 3: Cross multiply
    122,021.70x = 168,391.73 × 70,310.29
  4. Step 4: Simplify right side
    122,021.70x = 11,839,670,527.94
  5. Step 5: Solve for x
    x = 11,839,670,527.94/122,021.70
  6. Step 6: Final answer
    x = 97,029.23

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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.