Home / 103,171.26-142,401.66-62,907.22

Finding the Fourth Proportional to 103,171.26, 142,401.66 and 62,907.22

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Solution

The fourth proportional to 103,171.26, 142,401.66 and 62,907.22 is: 86,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,171.26 : 142,401.66 = 62,907.22 : x
  2. Step 2: Convert to fraction form
    103,171.26/142,401.66 = 62,907.22/x
  3. Step 3: Cross multiply
    103,171.26x = 142,401.66 × 62,907.22
  4. Step 4: Simplify right side
    103,171.26x = 8,958,092,553.99
  5. Step 5: Solve for x
    x = 8,958,092,553.99/103,171.26
  6. Step 6: Final answer
    x = 86,827.40

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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.