Home / 236,231.24-325,999.08-128,801.54

Finding the Fourth Proportional to 236,231.24, 325,999.08 and 128,801.54

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Solution

The fourth proportional to 236,231.24, 325,999.08 and 128,801.54 is: 177,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,231.24 : 325,999.08 = 128,801.54 : x
  2. Step 2: Convert to fraction form
    236,231.24/325,999.08 = 128,801.54/x
  3. Step 3: Cross multiply
    236,231.24x = 325,999.08 × 128,801.54
  4. Step 4: Simplify right side
    236,231.24x = 41,989,184,357.58
  5. Step 5: Solve for x
    x = 41,989,184,357.58/236,231.24
  6. Step 6: Final answer
    x = 177,746.12

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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.