Home / 188,428.12-260,032.26-103,546.60

Finding the Fourth Proportional to 188,428.12, 260,032.26 and 103,546.60

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Solution

The fourth proportional to 188,428.12, 260,032.26 and 103,546.60 is: 142,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,428.12 : 260,032.26 = 103,546.60 : x
  2. Step 2: Convert to fraction form
    188,428.12/260,032.26 = 103,546.60/x
  3. Step 3: Cross multiply
    188,428.12x = 260,032.26 × 103,546.60
  4. Step 4: Simplify right side
    188,428.12x = 26,925,456,413.32
  5. Step 5: Solve for x
    x = 26,925,456,413.32/188,428.12
  6. Step 6: Final answer
    x = 142,895.11

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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.