Home / 236,756.38-326,721.84-129,326.44

Finding the Fourth Proportional to 236,756.38, 326,721.84 and 129,326.44

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Solution

The fourth proportional to 236,756.38, 326,721.84 and 129,326.44 is: 178,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,756.38 : 326,721.84 = 129,326.44 : x
  2. Step 2: Convert to fraction form
    236,756.38/326,721.84 = 129,326.44/x
  3. Step 3: Cross multiply
    236,756.38x = 326,721.84 × 129,326.44
  4. Step 4: Simplify right side
    236,756.38x = 42,253,772,437.45
  5. Step 5: Solve for x
    x = 42,253,772,437.45/236,756.38
  6. Step 6: Final answer
    x = 178,469.41

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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.