Home / 236,841.12-326,863.44-129,427.44

Finding the Fourth Proportional to 236,841.12, 326,863.44 and 129,427.44

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Solution

The fourth proportional to 236,841.12, 326,863.44 and 129,427.44 is: 178,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,841.12 : 326,863.44 = 129,427.44 : x
  2. Step 2: Convert to fraction form
    236,841.12/326,863.44 = 129,427.44/x
  3. Step 3: Cross multiply
    236,841.12x = 326,863.44 × 129,427.44
  4. Step 4: Simplify right side
    236,841.12x = 42,305,098,268.79
  5. Step 5: Solve for x
    x = 42,305,098,268.79/236,841.12
  6. Step 6: Final answer
    x = 178,622.27

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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.