Home / 136,364.82-204,405.03-76,305.24

Finding the Fourth Proportional to 136,364.82, 204,405.03 and 76,305.24

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Solution

The fourth proportional to 136,364.82, 204,405.03 and 76,305.24 is: 114,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364.82 : 204,405.03 = 76,305.24 : x
  2. Step 2: Convert to fraction form
    136,364.82/204,405.03 = 76,305.24/x
  3. Step 3: Cross multiply
    136,364.82x = 204,405.03 × 76,305.24
  4. Step 4: Simplify right side
    136,364.82x = 15,597,174,871.36
  5. Step 5: Solve for x
    x = 15,597,174,871.36/136,364.82
  6. Step 6: Final answer
    x = 114,378.29

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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.