Home / 98,019.05-135,245.63-64,077.48

Finding the Fourth Proportional to 98,019.05, 135,245.63 and 64,077.48

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Solution

The fourth proportional to 98,019.05, 135,245.63 and 64,077.48 is: 88,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,019.05 : 135,245.63 = 64,077.48 : x
  2. Step 2: Convert to fraction form
    98,019.05/135,245.63 = 64,077.48/x
  3. Step 3: Cross multiply
    98,019.05x = 135,245.63 × 64,077.48
  4. Step 4: Simplify right side
    98,019.05x = 8,666,198,831.03
  5. Step 5: Solve for x
    x = 8,666,198,831.03/98,019.05
  6. Step 6: Final answer
    x = 88,413.42

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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.