Home / 236,132.31-325,862.84-128,702.43

Finding the Fourth Proportional to 236,132.31, 325,862.84 and 128,702.43

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Solution

The fourth proportional to 236,132.31, 325,862.84 and 128,702.43 is: 177,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,132.31 : 325,862.84 = 128,702.43 : x
  2. Step 2: Convert to fraction form
    236,132.31/325,862.84 = 128,702.43/x
  3. Step 3: Cross multiply
    236,132.31x = 325,862.84 × 128,702.43
  4. Step 4: Simplify right side
    236,132.31x = 41,939,339,354.70
  5. Step 5: Solve for x
    x = 41,939,339,354.70/236,132.31
  6. Step 6: Final answer
    x = 177,609.49

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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.