Home / 135,987.11-203,853.84-45,967.19

Finding the Fourth Proportional to 135,987.11, 203,853.84 and 45,967.19

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Solution

The fourth proportional to 135,987.11, 203,853.84 and 45,967.19 is: 68,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,987.11 : 203,853.84 = 45,967.19 : x
  2. Step 2: Convert to fraction form
    135,987.11/203,853.84 = 45,967.19/x
  3. Step 3: Cross multiply
    135,987.11x = 203,853.84 × 45,967.19
  4. Step 4: Simplify right side
    135,987.11x = 9,370,588,195.51
  5. Step 5: Solve for x
    x = 9,370,588,195.51/135,987.11
  6. Step 6: Final answer
    x = 68,907.91

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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.