Home / 120,145.20-179,634.60-88,652.40

Finding the Fourth Proportional to 120,145.20, 179,634.60 and 88,652.40

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Solution

The fourth proportional to 120,145.20, 179,634.60 and 88,652.40 is: 132,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,145.20 : 179,634.60 = 88,652.40 : x
  2. Step 2: Convert to fraction form
    120,145.20/179,634.60 = 88,652.40/x
  3. Step 3: Cross multiply
    120,145.20x = 179,634.60 × 88,652.40
  4. Step 4: Simplify right side
    120,145.20x = 15,925,038,413.04
  5. Step 5: Solve for x
    x = 15,925,038,413.04/120,145.20
  6. Step 6: Final answer
    x = 132,548.27

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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.