Home / 103,636.98-155,537.48-40,487.35

Finding the Fourth Proportional to 103,636.98, 155,537.48 and 40,487.35

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Solution

The fourth proportional to 103,636.98, 155,537.48 and 40,487.35 is: 60,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.98 : 155,537.48 = 40,487.35 : x
  2. Step 2: Convert to fraction form
    103,636.98/155,537.48 = 40,487.35/x
  3. Step 3: Cross multiply
    103,636.98x = 155,537.48 × 40,487.35
  4. Step 4: Simplify right side
    103,636.98x = 6,297,300,390.88
  5. Step 5: Solve for x
    x = 6,297,300,390.88/103,636.98
  6. Step 6: Final answer
    x = 60,763.06

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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.