Home / 103,926.75-143,418.85-56,180.18

Finding the Fourth Proportional to 103,926.75, 143,418.85 and 56,180.18

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Solution

The fourth proportional to 103,926.75, 143,418.85 and 56,180.18 is: 77,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,926.75 : 143,418.85 = 56,180.18 : x
  2. Step 2: Convert to fraction form
    103,926.75/143,418.85 = 56,180.18/x
  3. Step 3: Cross multiply
    103,926.75x = 143,418.85 × 56,180.18
  4. Step 4: Simplify right side
    103,926.75x = 8,057,297,342.50
  5. Step 5: Solve for x
    x = 8,057,297,342.50/103,926.75
  6. Step 6: Final answer
    x = 77,528.62

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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.