Home / 238,661.37-329,351.67-131,237.15

Finding the Fourth Proportional to 238,661.37, 329,351.67 and 131,237.15

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Solution

The fourth proportional to 238,661.37, 329,351.67 and 131,237.15 is: 181,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,661.37 : 329,351.67 = 131,237.15 : x
  2. Step 2: Convert to fraction form
    238,661.37/329,351.67 = 131,237.15/x
  3. Step 3: Cross multiply
    238,661.37x = 329,351.67 × 131,237.15
  4. Step 4: Simplify right side
    238,661.37x = 43,223,172,871.78
  5. Step 5: Solve for x
    x = 43,223,172,871.78/238,661.37
  6. Step 6: Final answer
    x = 181,106.70

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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.