Home / 173,321.20-259,981.80-84,631.60

Finding the Fourth Proportional to 173,321.20, 259,981.80 and 84,631.60

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Solution

The fourth proportional to 173,321.20, 259,981.80 and 84,631.60 is: 126,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,321.20 : 259,981.80 = 84,631.60 : x
  2. Step 2: Convert to fraction form
    173,321.20/259,981.80 = 84,631.60/x
  3. Step 3: Cross multiply
    173,321.20x = 259,981.80 × 84,631.60
  4. Step 4: Simplify right side
    173,321.20x = 22,002,675,704.88
  5. Step 5: Solve for x
    x = 22,002,675,704.88/173,321.20
  6. Step 6: Final answer
    x = 126,947.40

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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.