Home / 203,524.42-280,830.06-112,865.98

Finding the Fourth Proportional to 203,524.42, 280,830.06 and 112,865.98

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Solution

The fourth proportional to 203,524.42, 280,830.06 and 112,865.98 is: 155,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,524.42 : 280,830.06 = 112,865.98 : x
  2. Step 2: Convert to fraction form
    203,524.42/280,830.06 = 112,865.98/x
  3. Step 3: Cross multiply
    203,524.42x = 280,830.06 × 112,865.98
  4. Step 4: Simplify right side
    203,524.42x = 31,696,159,935.36
  5. Step 5: Solve for x
    x = 31,696,159,935.36/203,524.42
  6. Step 6: Final answer
    x = 155,736.40

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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.