Home / 162,423.35-243,676.55-67,622.03

Finding the Fourth Proportional to 162,423.35, 243,676.55 and 67,622.03

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Solution

The fourth proportional to 162,423.35, 243,676.55 and 67,622.03 is: 101,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,423.35 : 243,676.55 = 67,622.03 : x
  2. Step 2: Convert to fraction form
    162,423.35/243,676.55 = 67,622.03/x
  3. Step 3: Cross multiply
    162,423.35x = 243,676.55 × 67,622.03
  4. Step 4: Simplify right side
    162,423.35x = 16,477,902,003.70
  5. Step 5: Solve for x
    x = 16,477,902,003.70/162,423.35
  6. Step 6: Final answer
    x = 101,450.33

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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.