Home / 172,823.20-259,234.80-98,173.60

Finding the Fourth Proportional to 172,823.20, 259,234.80 and 98,173.60

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Solution

The fourth proportional to 172,823.20, 259,234.80 and 98,173.60 is: 147,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.20 : 259,234.80 = 98,173.60 : x
  2. Step 2: Convert to fraction form
    172,823.20/259,234.80 = 98,173.60/x
  3. Step 3: Cross multiply
    172,823.20x = 259,234.80 × 98,173.60
  4. Step 4: Simplify right side
    172,823.20x = 25,450,013,561.28
  5. Step 5: Solve for x
    x = 25,450,013,561.28/172,823.20
  6. Step 6: Final answer
    x = 147,260.40

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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.