Home / 255,175.36-352,139.21-140,451.55

Finding the Fourth Proportional to 255,175.36, 352,139.21 and 140,451.55

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Solution

The fourth proportional to 255,175.36, 352,139.21 and 140,451.55 is: 193,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,175.36 : 352,139.21 = 140,451.55 : x
  2. Step 2: Convert to fraction form
    255,175.36/352,139.21 = 140,451.55/x
  3. Step 3: Cross multiply
    255,175.36x = 352,139.21 × 140,451.55
  4. Step 4: Simplify right side
    255,175.36x = 49,458,497,594.40
  5. Step 5: Solve for x
    x = 49,458,497,594.40/255,175.36
  6. Step 6: Final answer
    x = 193,821.60

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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.