Home / 88,540.08-122,187.65-50,298.36

Finding the Fourth Proportional to 88,540.08, 122,187.65 and 50,298.36

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Solution

The fourth proportional to 88,540.08, 122,187.65 and 50,298.36 is: 69,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,540.08 : 122,187.65 = 50,298.36 : x
  2. Step 2: Convert to fraction form
    88,540.08/122,187.65 = 50,298.36/x
  3. Step 3: Cross multiply
    88,540.08x = 122,187.65 × 50,298.36
  4. Step 4: Simplify right side
    88,540.08x = 6,145,838,407.25
  5. Step 5: Solve for x
    x = 6,145,838,407.25/88,540.08
  6. Step 6: Final answer
    x = 69,413.07

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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.