Home / 134,979.15-186,291.92-83,326.33

Finding the Fourth Proportional to 134,979.15, 186,291.92 and 83,326.33

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Solution

The fourth proportional to 134,979.15, 186,291.92 and 83,326.33 is: 115,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,979.15 : 186,291.92 = 83,326.33 : x
  2. Step 2: Convert to fraction form
    134,979.15/186,291.92 = 83,326.33/x
  3. Step 3: Cross multiply
    134,979.15x = 186,291.92 × 83,326.33
  4. Step 4: Simplify right side
    134,979.15x = 15,523,021,744.84
  5. Step 5: Solve for x
    x = 15,523,021,744.84/134,979.15
  6. Step 6: Final answer
    x = 115,003.11

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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.