Home / 236,217.18-325,975.32-128,788.14

Finding the Fourth Proportional to 236,217.18, 325,975.32 and 128,788.14

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Solution

The fourth proportional to 236,217.18, 325,975.32 and 128,788.14 is: 177,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,217.18 : 325,975.32 = 128,788.14 : x
  2. Step 2: Convert to fraction form
    236,217.18/325,975.32 = 128,788.14/x
  3. Step 3: Cross multiply
    236,217.18x = 325,975.32 × 128,788.14
  4. Step 4: Simplify right side
    236,217.18x = 41,981,755,148.70
  5. Step 5: Solve for x
    x = 41,981,755,148.70/236,217.18
  6. Step 6: Final answer
    x = 177,725.24

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1.5x scale

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.