Home / 124,918.56-172,387.68-68,329.92

Finding the Fourth Proportional to 124,918.56, 172,387.68 and 68,329.92

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Solution

The fourth proportional to 124,918.56, 172,387.68 and 68,329.92 is: 94,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.56 : 172,387.68 = 68,329.92 : x
  2. Step 2: Convert to fraction form
    124,918.56/172,387.68 = 68,329.92/x
  3. Step 3: Cross multiply
    124,918.56x = 172,387.68 × 68,329.92
  4. Step 4: Simplify right side
    124,918.56x = 11,779,236,383.39
  5. Step 5: Solve for x
    x = 11,779,236,383.39/124,918.56
  6. Step 6: Final answer
    x = 94,295.33

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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.