Home / 238,702.90-329,403.43-131,272.93

Finding the Fourth Proportional to 238,702.90, 329,403.43 and 131,272.93

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Solution

The fourth proportional to 238,702.90, 329,403.43 and 131,272.93 is: 181,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,702.90 : 329,403.43 = 131,272.93 : x
  2. Step 2: Convert to fraction form
    238,702.90/329,403.43 = 131,272.93/x
  3. Step 3: Cross multiply
    238,702.90x = 329,403.43 × 131,272.93
  4. Step 4: Simplify right side
    238,702.90x = 43,241,753,408.15
  5. Step 5: Solve for x
    x = 43,241,753,408.15/238,702.90
  6. Step 6: Final answer
    x = 181,153.03

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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.