Home / 528,096.20-792,137.10-173,121.80

Finding the Fourth Proportional to 528,096.20, 792,137.10 and 173,121.80

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Solution

The fourth proportional to 528,096.20, 792,137.10 and 173,121.80 is: 259,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,096.20 : 792,137.10 = 173,121.80 : x
  2. Step 2: Convert to fraction form
    528,096.20/792,137.10 = 173,121.80/x
  3. Step 3: Cross multiply
    528,096.20x = 792,137.10 × 173,121.80
  4. Step 4: Simplify right side
    528,096.20x = 137,136,200,598.78
  5. Step 5: Solve for x
    x = 137,136,200,598.78/528,096.20
  6. Step 6: Final answer
    x = 259,680.34

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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.