Home / 175,234.40-262,851.60-70,128.80

Finding the Fourth Proportional to 175,234.40, 262,851.60 and 70,128.80

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Solution

The fourth proportional to 175,234.40, 262,851.60 and 70,128.80 is: 105,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,234.40 : 262,851.60 = 70,128.80 : x
  2. Step 2: Convert to fraction form
    175,234.40/262,851.60 = 70,128.80/x
  3. Step 3: Cross multiply
    175,234.40x = 262,851.60 × 70,128.80
  4. Step 4: Simplify right side
    175,234.40x = 18,433,467,286.08
  5. Step 5: Solve for x
    x = 18,433,467,286.08/175,234.40
  6. Step 6: Final answer
    x = 105,193.20

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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.