Home / 238,391.37-328,973.74-130,961.61

Finding the Fourth Proportional to 238,391.37, 328,973.74 and 130,961.61

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Solution

The fourth proportional to 238,391.37, 328,973.74 and 130,961.61 is: 180,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,391.37 : 328,973.74 = 130,961.61 : x
  2. Step 2: Convert to fraction form
    238,391.37/328,973.74 = 130,961.61/x
  3. Step 3: Cross multiply
    238,391.37x = 328,973.74 × 130,961.61
  4. Step 4: Simplify right side
    238,391.37x = 43,082,930,310.72
  5. Step 5: Solve for x
    x = 43,082,930,310.72/238,391.37
  6. Step 6: Final answer
    x = 180,723.53

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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.