Home / 235,512.90-325,004.65-128,080.62

Finding the Fourth Proportional to 235,512.90, 325,004.65 and 128,080.62

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Solution

The fourth proportional to 235,512.90, 325,004.65 and 128,080.62 is: 176,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,512.90 : 325,004.65 = 128,080.62 : x
  2. Step 2: Convert to fraction form
    235,512.90/325,004.65 = 128,080.62/x
  3. Step 3: Cross multiply
    235,512.90x = 325,004.65 × 128,080.62
  4. Step 4: Simplify right side
    235,512.90x = 41,626,797,074.88
  5. Step 5: Solve for x
    x = 41,626,797,074.88/235,512.90
  6. Step 6: Final answer
    x = 176,749.54

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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.