Home / 203,859.14-281,335.02-113,215.50

Finding the Fourth Proportional to 203,859.14, 281,335.02 and 113,215.50

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Solution

The fourth proportional to 203,859.14, 281,335.02 and 113,215.50 is: 156,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,859.14 : 281,335.02 = 113,215.50 : x
  2. Step 2: Convert to fraction form
    203,859.14/281,335.02 = 113,215.50/x
  3. Step 3: Cross multiply
    203,859.14x = 281,335.02 × 113,215.50
  4. Step 4: Simplify right side
    203,859.14x = 31,851,484,956.81
  5. Step 5: Solve for x
    x = 31,851,484,956.81/203,859.14
  6. Step 6: Final answer
    x = 156,242.61

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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.