Home / 143,513.97-215,297.07-47,456.67

Finding the Fourth Proportional to 143,513.97, 215,297.07 and 47,456.67

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Solution

The fourth proportional to 143,513.97, 215,297.07 and 47,456.67 is: 71,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,513.97 : 215,297.07 = 47,456.67 : x
  2. Step 2: Convert to fraction form
    143,513.97/215,297.07 = 47,456.67/x
  3. Step 3: Cross multiply
    143,513.97x = 215,297.07 × 47,456.67
  4. Step 4: Simplify right side
    143,513.97x = 10,217,282,002.96
  5. Step 5: Solve for x
    x = 10,217,282,002.96/143,513.97
  6. Step 6: Final answer
    x = 71,193.64

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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.