Home / 139,273.50-192,355.68-93,873.24

Finding the Fourth Proportional to 139,273.50, 192,355.68 and 93,873.24

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Solution

The fourth proportional to 139,273.50, 192,355.68 and 93,873.24 is: 129,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,273.50 : 192,355.68 = 93,873.24 : x
  2. Step 2: Convert to fraction form
    139,273.50/192,355.68 = 93,873.24/x
  3. Step 3: Cross multiply
    139,273.50x = 192,355.68 × 93,873.24
  4. Step 4: Simplify right side
    139,273.50x = 18,057,050,914.00
  5. Step 5: Solve for x
    x = 18,057,050,914.00/139,273.50
  6. Step 6: Final answer
    x = 129,651.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.