Home / 243,268.20-335,704.68-135,848.34

Finding the Fourth Proportional to 243,268.20, 335,704.68 and 135,848.34

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Solution

The fourth proportional to 243,268.20, 335,704.68 and 135,848.34 is: 187,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,268.20 : 335,704.68 = 135,848.34 : x
  2. Step 2: Convert to fraction form
    243,268.20/335,704.68 = 135,848.34/x
  3. Step 3: Cross multiply
    243,268.20x = 335,704.68 × 135,848.34
  4. Step 4: Simplify right side
    243,268.20x = 45,604,923,508.23
  5. Step 5: Solve for x
    x = 45,604,923,508.23/243,268.20
  6. Step 6: Final answer
    x = 187,467.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.