Home / 204,126.83-281,688.79-112,245.95

Finding the Fourth Proportional to 204,126.83, 281,688.79 and 112,245.95

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Solution

The fourth proportional to 204,126.83, 281,688.79 and 112,245.95 is: 154,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.83 : 281,688.79 = 112,245.95 : x
  2. Step 2: Convert to fraction form
    204,126.83/281,688.79 = 112,245.95/x
  3. Step 3: Cross multiply
    204,126.83x = 281,688.79 × 112,245.95
  4. Step 4: Simplify right side
    204,126.83x = 31,618,426,471.97
  5. Step 5: Solve for x
    x = 31,618,426,471.97/204,126.83
  6. Step 6: Final answer
    x = 154,895.98

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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.