Home / 195,425.38-269,756.49-118,909.54

Finding the Fourth Proportional to 195,425.38, 269,756.49 and 118,909.54

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Solution

The fourth proportional to 195,425.38, 269,756.49 and 118,909.54 is: 164,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,425.38 : 269,756.49 = 118,909.54 : x
  2. Step 2: Convert to fraction form
    195,425.38/269,756.49 = 118,909.54/x
  3. Step 3: Cross multiply
    195,425.38x = 269,756.49 × 118,909.54
  4. Step 4: Simplify right side
    195,425.38x = 32,076,620,137.91
  5. Step 5: Solve for x
    x = 32,076,620,137.91/195,425.38
  6. Step 6: Final answer
    x = 164,137.43

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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.