Home / 72,324.03-108,503.36-30,180.67

Finding the Fourth Proportional to 72,324.03, 108,503.36 and 30,180.67

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Solution

The fourth proportional to 72,324.03, 108,503.36 and 30,180.67 is: 45,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324.03 : 108,503.36 = 30,180.67 : x
  2. Step 2: Convert to fraction form
    72,324.03/108,503.36 = 30,180.67/x
  3. Step 3: Cross multiply
    72,324.03x = 108,503.36 × 30,180.67
  4. Step 4: Simplify right side
    72,324.03x = 3,274,703,962.83
  5. Step 5: Solve for x
    x = 3,274,703,962.83/72,324.03
  6. Step 6: Final answer
    x = 45,278.23

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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.