Home / 139,729.13-209,624.62-50,982.38

Finding the Fourth Proportional to 139,729.13, 209,624.62 and 50,982.38

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Solution

The fourth proportional to 139,729.13, 209,624.62 and 50,982.38 is: 76,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,729.13 : 209,624.62 = 50,982.38 : x
  2. Step 2: Convert to fraction form
    139,729.13/209,624.62 = 50,982.38/x
  3. Step 3: Cross multiply
    139,729.13x = 209,624.62 × 50,982.38
  4. Step 4: Simplify right side
    139,729.13x = 10,687,161,007.34
  5. Step 5: Solve for x
    x = 10,687,161,007.34/139,729.13
  6. Step 6: Final answer
    x = 76,484.85

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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.