Home / 161,013.78-241,561.68-72,300.84

Finding the Fourth Proportional to 161,013.78, 241,561.68 and 72,300.84

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Solution

The fourth proportional to 161,013.78, 241,561.68 and 72,300.84 is: 108,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,013.78 : 241,561.68 = 72,300.84 : x
  2. Step 2: Convert to fraction form
    161,013.78/241,561.68 = 72,300.84/x
  3. Step 3: Cross multiply
    161,013.78x = 241,561.68 × 72,300.84
  4. Step 4: Simplify right side
    161,013.78x = 17,465,112,375.81
  5. Step 5: Solve for x
    x = 17,465,112,375.81/161,013.78
  6. Step 6: Final answer
    x = 108,469.67

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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.