Home / 103,259.82-142,481.62-60,812.58

Finding the Fourth Proportional to 103,259.82, 142,481.62 and 60,812.58

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Solution

The fourth proportional to 103,259.82, 142,481.62 and 60,812.58 is: 83,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,259.82 : 142,481.62 = 60,812.58 : x
  2. Step 2: Convert to fraction form
    103,259.82/142,481.62 = 60,812.58/x
  3. Step 3: Cross multiply
    103,259.82x = 142,481.62 × 60,812.58
  4. Step 4: Simplify right side
    103,259.82x = 8,664,674,914.78
  5. Step 5: Solve for x
    x = 8,664,674,914.78/103,259.82
  6. Step 6: Final answer
    x = 83,911.39

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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.