Home / 135,241.11-186,632.72-73,987.80

Finding the Fourth Proportional to 135,241.11, 186,632.72 and 73,987.80

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Solution

The fourth proportional to 135,241.11, 186,632.72 and 73,987.80 is: 102,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,241.11 : 186,632.72 = 73,987.80 : x
  2. Step 2: Convert to fraction form
    135,241.11/186,632.72 = 73,987.80/x
  3. Step 3: Cross multiply
    135,241.11x = 186,632.72 × 73,987.80
  4. Step 4: Simplify right side
    135,241.11x = 13,808,543,990.88
  5. Step 5: Solve for x
    x = 13,808,543,990.88/135,241.11
  6. Step 6: Final answer
    x = 102,103.15

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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.