Home / 170,115.04-254,880.96-120,105.64

Finding the Fourth Proportional to 170,115.04, 254,880.96 and 120,105.64

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Solution

The fourth proportional to 170,115.04, 254,880.96 and 120,105.64 is: 179,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,115.04 : 254,880.96 = 120,105.64 : x
  2. Step 2: Convert to fraction form
    170,115.04/254,880.96 = 120,105.64/x
  3. Step 3: Cross multiply
    170,115.04x = 254,880.96 × 120,105.64
  4. Step 4: Simplify right side
    170,115.04x = 30,612,640,824.61
  5. Step 5: Solve for x
    x = 30,612,640,824.61/170,115.04
  6. Step 6: Final answer
    x = 179,952.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.