Home / 136,932.46-205,229.13-77,588.22

Finding the Fourth Proportional to 136,932.46, 205,229.13 and 77,588.22

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Solution

The fourth proportional to 136,932.46, 205,229.13 and 77,588.22 is: 116,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932.46 : 205,229.13 = 77,588.22 : x
  2. Step 2: Convert to fraction form
    136,932.46/205,229.13 = 77,588.22/x
  3. Step 3: Cross multiply
    136,932.46x = 205,229.13 × 77,588.22
  4. Step 4: Simplify right side
    136,932.46x = 15,923,362,888.85
  5. Step 5: Solve for x
    x = 15,923,362,888.85/136,932.46
  6. Step 6: Final answer
    x = 116,286.25

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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.