Home / 180,413.31-248,683.55-142,112.18

Finding the Fourth Proportional to 180,413.31, 248,683.55 and 142,112.18

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Solution

The fourth proportional to 180,413.31, 248,683.55 and 142,112.18 is: 195,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,413.31 : 248,683.55 = 142,112.18 : x
  2. Step 2: Convert to fraction form
    180,413.31/248,683.55 = 142,112.18/x
  3. Step 3: Cross multiply
    180,413.31x = 248,683.55 × 142,112.18
  4. Step 4: Simplify right side
    180,413.31x = 35,340,961,420.64
  5. Step 5: Solve for x
    x = 35,340,961,420.64/180,413.31
  6. Step 6: Final answer
    x = 195,888.88

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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.