Home / 103,926.46-143,418.62-56,179.82

Finding the Fourth Proportional to 103,926.46, 143,418.62 and 56,179.82

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Solution

The fourth proportional to 103,926.46, 143,418.62 and 56,179.82 is: 77,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,926.46 : 143,418.62 = 56,179.82 : x
  2. Step 2: Convert to fraction form
    103,926.46/143,418.62 = 56,179.82/x
  3. Step 3: Cross multiply
    103,926.46x = 143,418.62 × 56,179.82
  4. Step 4: Simplify right side
    103,926.46x = 8,057,232,256.25
  5. Step 5: Solve for x
    x = 8,057,232,256.25/103,926.46
  6. Step 6: Final answer
    x = 77,528.21

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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.