Home / 170,120.72-234,751.32-98,505.60

Finding the Fourth Proportional to 170,120.72, 234,751.32 and 98,505.60

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Solution

The fourth proportional to 170,120.72, 234,751.32 and 98,505.60 is: 135,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,120.72 : 234,751.32 = 98,505.60 : x
  2. Step 2: Convert to fraction form
    170,120.72/234,751.32 = 98,505.60/x
  3. Step 3: Cross multiply
    170,120.72x = 234,751.32 × 98,505.60
  4. Step 4: Simplify right side
    170,120.72x = 23,124,319,627.39
  5. Step 5: Solve for x
    x = 23,124,319,627.39/170,120.72
  6. Step 6: Final answer
    x = 135,928.88

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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.