Home / 236,107.71-325,819.15-128,675.43

Finding the Fourth Proportional to 236,107.71, 325,819.15 and 128,675.43

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Solution

The fourth proportional to 236,107.71, 325,819.15 and 128,675.43 is: 177,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,107.71 : 325,819.15 = 128,675.43 : x
  2. Step 2: Convert to fraction form
    236,107.71/325,819.15 = 128,675.43/x
  3. Step 3: Cross multiply
    236,107.71x = 325,819.15 × 128,675.43
  4. Step 4: Simplify right side
    236,107.71x = 41,924,920,043.03
  5. Step 5: Solve for x
    x = 41,924,920,043.03/236,107.71
  6. Step 6: Final answer
    x = 177,566.93

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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.