Home / 131,151.36-180,989.44-71,536.64

Finding the Fourth Proportional to 131,151.36, 180,989.44 and 71,536.64

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Solution

The fourth proportional to 131,151.36, 180,989.44 and 71,536.64 is: 98,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,151.36 : 180,989.44 = 71,536.64 : x
  2. Step 2: Convert to fraction form
    131,151.36/180,989.44 = 71,536.64/x
  3. Step 3: Cross multiply
    131,151.36x = 180,989.44 × 71,536.64
  4. Step 4: Simplify right side
    131,151.36x = 12,947,376,413.08
  5. Step 5: Solve for x
    x = 12,947,376,413.08/131,151.36
  6. Step 6: Final answer
    x = 98,720.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.