Home / 236,152.03-325,887.78-128,722.09

Finding the Fourth Proportional to 236,152.03, 325,887.78 and 128,722.09

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Solution

The fourth proportional to 236,152.03, 325,887.78 and 128,722.09 is: 177,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,152.03 : 325,887.78 = 128,722.09 : x
  2. Step 2: Convert to fraction form
    236,152.03/325,887.78 = 128,722.09/x
  3. Step 3: Cross multiply
    236,152.03x = 325,887.78 × 128,722.09
  4. Step 4: Simplify right side
    236,152.03x = 41,948,956,147.06
  5. Step 5: Solve for x
    x = 41,948,956,147.06/236,152.03
  6. Step 6: Final answer
    x = 177,635.38

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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.