Home / 236,739.54-326,698.41-129,309.56

Finding the Fourth Proportional to 236,739.54, 326,698.41 and 129,309.56

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Solution

The fourth proportional to 236,739.54, 326,698.41 and 129,309.56 is: 178,446.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,739.54 : 326,698.41 = 129,309.56 : x
  2. Step 2: Convert to fraction form
    236,739.54/326,698.41 = 129,309.56/x
  3. Step 3: Cross multiply
    236,739.54x = 326,698.41 × 129,309.56
  4. Step 4: Simplify right side
    236,739.54x = 42,245,226,016.31
  5. Step 5: Solve for x
    x = 42,245,226,016.31/236,739.54
  6. Step 6: Final answer
    x = 178,446.01

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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.