Home / 236,722.25-326,676.69-129,292.54

Finding the Fourth Proportional to 236,722.25, 326,676.69 and 129,292.54

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Solution

The fourth proportional to 236,722.25, 326,676.69 and 129,292.54 is: 178,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,722.25 : 326,676.69 = 129,292.54 : x
  2. Step 2: Convert to fraction form
    236,722.25/326,676.69 = 129,292.54/x
  3. Step 3: Cross multiply
    236,722.25x = 326,676.69 × 129,292.54
  4. Step 4: Simplify right side
    236,722.25x = 42,236,857,375.51
  5. Step 5: Solve for x
    x = 42,236,857,375.51/236,722.25
  6. Step 6: Final answer
    x = 178,423.69

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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.