Home / 155,803.46-215,052.82-92,163.38

Finding the Fourth Proportional to 155,803.46, 215,052.82 and 92,163.38

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Solution

The fourth proportional to 155,803.46, 215,052.82 and 92,163.38 is: 127,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,803.46 : 215,052.82 = 92,163.38 : x
  2. Step 2: Convert to fraction form
    155,803.46/215,052.82 = 92,163.38/x
  3. Step 3: Cross multiply
    155,803.46x = 215,052.82 × 92,163.38
  4. Step 4: Simplify right side
    155,803.46x = 19,819,994,769.73
  5. Step 5: Solve for x
    x = 19,819,994,769.73/155,803.46
  6. Step 6: Final answer
    x = 127,211.52

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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.