Home / 238,995.25-329,835.41-131,587.09

Finding the Fourth Proportional to 238,995.25, 329,835.41 and 131,587.09

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Solution

The fourth proportional to 238,995.25, 329,835.41 and 131,587.09 is: 181,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,995.25 : 329,835.41 = 131,587.09 : x
  2. Step 2: Convert to fraction form
    238,995.25/329,835.41 = 131,587.09/x
  3. Step 3: Cross multiply
    238,995.25x = 329,835.41 × 131,587.09
  4. Step 4: Simplify right side
    238,995.25x = 43,402,081,780.86
  5. Step 5: Solve for x
    x = 43,402,081,780.86/238,995.25
  6. Step 6: Final answer
    x = 181,602.28

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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.