Home / 119,388.60-179,021.25-35,137.80

Finding the Fourth Proportional to 119,388.60, 179,021.25 and 35,137.80

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Solution

The fourth proportional to 119,388.60, 179,021.25 and 35,137.80 is: 52,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,388.60 : 179,021.25 = 35,137.80 : x
  2. Step 2: Convert to fraction form
    119,388.60/179,021.25 = 35,137.80/x
  3. Step 3: Cross multiply
    119,388.60x = 179,021.25 × 35,137.80
  4. Step 4: Simplify right side
    119,388.60x = 6,290,412,878.25
  5. Step 5: Solve for x
    x = 6,290,412,878.25/119,388.60
  6. Step 6: Final answer
    x = 52,688.56

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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.