Home / 103,732.13-155,584.22-40,508.09

Finding the Fourth Proportional to 103,732.13, 155,584.22 and 40,508.09

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Solution

The fourth proportional to 103,732.13, 155,584.22 and 40,508.09 is: 60,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732.13 : 155,584.22 = 40,508.09 : x
  2. Step 2: Convert to fraction form
    103,732.13/155,584.22 = 40,508.09/x
  3. Step 3: Cross multiply
    103,732.13x = 155,584.22 × 40,508.09
  4. Step 4: Simplify right side
    103,732.13x = 6,302,418,605.88
  5. Step 5: Solve for x
    x = 6,302,418,605.88/103,732.13
  6. Step 6: Final answer
    x = 60,756.67

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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.