Home / 121,389.27-182,083.92-51,269.19

Finding the Fourth Proportional to 121,389.27, 182,083.92 and 51,269.19

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Solution

The fourth proportional to 121,389.27, 182,083.92 and 51,269.19 is: 76,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389.27 : 182,083.92 = 51,269.19 : x
  2. Step 2: Convert to fraction form
    121,389.27/182,083.92 = 51,269.19/x
  3. Step 3: Cross multiply
    121,389.27x = 182,083.92 × 51,269.19
  4. Step 4: Simplify right side
    121,389.27x = 9,335,294,215.35
  5. Step 5: Solve for x
    x = 9,335,294,215.35/121,389.27
  6. Step 6: Final answer
    x = 76,903.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.