Home / 137,291.11-189,405.43-83,533.03

Finding the Fourth Proportional to 137,291.11, 189,405.43 and 83,533.03

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Solution

The fourth proportional to 137,291.11, 189,405.43 and 83,533.03 is: 115,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,291.11 : 189,405.43 = 83,533.03 : x
  2. Step 2: Convert to fraction form
    137,291.11/189,405.43 = 83,533.03/x
  3. Step 3: Cross multiply
    137,291.11x = 189,405.43 × 83,533.03
  4. Step 4: Simplify right side
    137,291.11x = 15,821,609,466.35
  5. Step 5: Solve for x
    x = 15,821,609,466.35/137,291.11
  6. Step 6: Final answer
    x = 115,241.33

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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.