Home / 243,982.51-336,706.39-135,086.85

Finding the Fourth Proportional to 243,982.51, 336,706.39 and 135,086.85

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Solution

The fourth proportional to 243,982.51, 336,706.39 and 135,086.85 is: 186,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,982.51 : 336,706.39 = 135,086.85 : x
  2. Step 2: Convert to fraction form
    243,982.51/336,706.39 = 135,086.85/x
  3. Step 3: Cross multiply
    243,982.51x = 336,706.39 × 135,086.85
  4. Step 4: Simplify right side
    243,982.51x = 45,484,603,241.01
  5. Step 5: Solve for x
    x = 45,484,603,241.01/243,982.51
  6. Step 6: Final answer
    x = 186,425.67

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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.