Home / 203,623.42-281,034.03-113,008.49

Finding the Fourth Proportional to 203,623.42, 281,034.03 and 113,008.49

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Solution

The fourth proportional to 203,623.42, 281,034.03 and 113,008.49 is: 155,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,623.42 : 281,034.03 = 113,008.49 : x
  2. Step 2: Convert to fraction form
    203,623.42/281,034.03 = 113,008.49/x
  3. Step 3: Cross multiply
    203,623.42x = 281,034.03 × 113,008.49
  4. Step 4: Simplify right side
    203,623.42x = 31,759,231,368.91
  5. Step 5: Solve for x
    x = 31,759,231,368.91/203,623.42
  6. Step 6: Final answer
    x = 155,970.43

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1.5x scale

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.