Home / 188,272.41-259,750.98-120,329.16

Finding the Fourth Proportional to 188,272.41, 259,750.98 and 120,329.16

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Solution

The fourth proportional to 188,272.41, 259,750.98 and 120,329.16 is: 166,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,272.41 : 259,750.98 = 120,329.16 : x
  2. Step 2: Convert to fraction form
    188,272.41/259,750.98 = 120,329.16/x
  3. Step 3: Cross multiply
    188,272.41x = 259,750.98 × 120,329.16
  4. Step 4: Simplify right side
    188,272.41x = 31,255,616,258.51
  5. Step 5: Solve for x
    x = 31,255,616,258.51/188,272.41
  6. Step 6: Final answer
    x = 166,012.73

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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.