Home / 120,929.90-181,330.05-50,729.90

Finding the Fourth Proportional to 120,929.90, 181,330.05 and 50,729.90

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Solution

The fourth proportional to 120,929.90, 181,330.05 and 50,729.90 is: 76,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,929.90 : 181,330.05 = 50,729.90 : x
  2. Step 2: Convert to fraction form
    120,929.90/181,330.05 = 50,729.90/x
  3. Step 3: Cross multiply
    120,929.90x = 181,330.05 × 50,729.90
  4. Step 4: Simplify right side
    120,929.90x = 9,198,855,303.50
  5. Step 5: Solve for x
    x = 9,198,855,303.50/120,929.90
  6. Step 6: Final answer
    x = 76,067.67

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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.