Home / 103,610.92-142,845.42-67,739.26

Finding the Fourth Proportional to 103,610.92, 142,845.42 and 67,739.26

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Solution

The fourth proportional to 103,610.92, 142,845.42 and 67,739.26 is: 93,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610.92 : 142,845.42 = 67,739.26 : x
  2. Step 2: Convert to fraction form
    103,610.92/142,845.42 = 67,739.26/x
  3. Step 3: Cross multiply
    103,610.92x = 142,845.42 × 67,739.26
  4. Step 4: Simplify right side
    103,610.92x = 9,676,243,045.19
  5. Step 5: Solve for x
    x = 9,676,243,045.19/103,610.92
  6. Step 6: Final answer
    x = 93,390.19

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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.