Home / 203,941.20-281,478.87-130,306.29

Finding the Fourth Proportional to 203,941.20, 281,478.87 and 130,306.29

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Solution

The fourth proportional to 203,941.20, 281,478.87 and 130,306.29 is: 179,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,941.20 : 281,478.87 = 130,306.29 : x
  2. Step 2: Convert to fraction form
    203,941.20/281,478.87 = 130,306.29/x
  3. Step 3: Cross multiply
    203,941.20x = 281,478.87 × 130,306.29
  4. Step 4: Simplify right side
    203,941.20x = 36,678,467,263.09
  5. Step 5: Solve for x
    x = 36,678,467,263.09/203,941.20
  6. Step 6: Final answer
    x = 179,848.25

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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.