Home / 236,464.62-326,322-129,037.02

Finding the Fourth Proportional to 236,464.62, 326,322 and 129,037.02

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Solution

The fourth proportional to 236,464.62, 326,322 and 129,037.02 is: 178,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,464.62 : 326,322 = 129,037.02 : x
  2. Step 2: Convert to fraction form
    236,464.62/326,322 = 129,037.02/x
  3. Step 3: Cross multiply
    236,464.62x = 326,322 × 129,037.02
  4. Step 4: Simplify right side
    236,464.62x = 42,107,618,440.44
  5. Step 5: Solve for x
    x = 42,107,618,440.44/236,464.62
  6. Step 6: Final answer
    x = 178,071.54

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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.