Home / 88,002.20-132,003.30-71,413.40

Finding the Fourth Proportional to 88,002.20, 132,003.30 and 71,413.40

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Solution

The fourth proportional to 88,002.20, 132,003.30 and 71,413.40 is: 107,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.20 : 132,003.30 = 71,413.40 : x
  2. Step 2: Convert to fraction form
    88,002.20/132,003.30 = 71,413.40/x
  3. Step 3: Cross multiply
    88,002.20x = 132,003.30 × 71,413.40
  4. Step 4: Simplify right side
    88,002.20x = 9,426,804,464.22
  5. Step 5: Solve for x
    x = 9,426,804,464.22/88,002.20
  6. Step 6: Final answer
    x = 107,120.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.