Home / 203,956.02-281,459.04-113,320.34

Finding the Fourth Proportional to 203,956.02, 281,459.04 and 113,320.34

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Solution

The fourth proportional to 203,956.02, 281,459.04 and 113,320.34 is: 156,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,956.02 : 281,459.04 = 113,320.34 : x
  2. Step 2: Convert to fraction form
    203,956.02/281,459.04 = 113,320.34/x
  3. Step 3: Cross multiply
    203,956.02x = 281,459.04 × 113,320.34
  4. Step 4: Simplify right side
    203,956.02x = 31,895,034,108.87
  5. Step 5: Solve for x
    x = 31,895,034,108.87/203,956.02
  6. Step 6: Final answer
    x = 156,381.92

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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.