Home / 236,101.16-325,819.85-128,671.29

Finding the Fourth Proportional to 236,101.16, 325,819.85 and 128,671.29

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Solution

The fourth proportional to 236,101.16, 325,819.85 and 128,671.29 is: 177,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,101.16 : 325,819.85 = 128,671.29 : x
  2. Step 2: Convert to fraction form
    236,101.16/325,819.85 = 128,671.29/x
  3. Step 3: Cross multiply
    236,101.16x = 325,819.85 × 128,671.29
  4. Step 4: Simplify right side
    236,101.16x = 41,923,659,763.75
  5. Step 5: Solve for x
    x = 41,923,659,763.75/236,101.16
  6. Step 6: Final answer
    x = 177,566.51

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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.