Home / 170,891.20-255,645.60-154,302.40

Finding the Fourth Proportional to 170,891.20, 255,645.60 and 154,302.40

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Solution

The fourth proportional to 170,891.20, 255,645.60 and 154,302.40 is: 230,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,891.20 : 255,645.60 = 154,302.40 : x
  2. Step 2: Convert to fraction form
    170,891.20/255,645.60 = 154,302.40/x
  3. Step 3: Cross multiply
    170,891.20x = 255,645.60 × 154,302.40
  4. Step 4: Simplify right side
    170,891.20x = 39,446,729,629.44
  5. Step 5: Solve for x
    x = 39,446,729,629.44/170,891.20
  6. Step 6: Final answer
    x = 230,829.50

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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.