Home / 122,304.36-168,708.33-76,910.34

Finding the Fourth Proportional to 122,304.36, 168,708.33 and 76,910.34

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Solution

The fourth proportional to 122,304.36, 168,708.33 and 76,910.34 is: 106,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304.36 : 168,708.33 = 76,910.34 : x
  2. Step 2: Convert to fraction form
    122,304.36/168,708.33 = 76,910.34/x
  3. Step 3: Cross multiply
    122,304.36x = 168,708.33 × 76,910.34
  4. Step 4: Simplify right side
    122,304.36x = 12,975,415,021.13
  5. Step 5: Solve for x
    x = 12,975,415,021.13/122,304.36
  6. Step 6: Final answer
    x = 106,091.19

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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.