Home / 134,811.33-186,107.05-83,840.48

Finding the Fourth Proportional to 134,811.33, 186,107.05 and 83,840.48

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Solution

The fourth proportional to 134,811.33, 186,107.05 and 83,840.48 is: 115,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,811.33 : 186,107.05 = 83,840.48 : x
  2. Step 2: Convert to fraction form
    134,811.33/186,107.05 = 83,840.48/x
  3. Step 3: Cross multiply
    134,811.33x = 186,107.05 × 83,840.48
  4. Step 4: Simplify right side
    134,811.33x = 15,603,304,039.75
  5. Step 5: Solve for x
    x = 15,603,304,039.75/134,811.33
  6. Step 6: Final answer
    x = 115,741.79

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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.