Home / 203,862.51-281,337.26-113,219.91

Finding the Fourth Proportional to 203,862.51, 281,337.26 and 113,219.91

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Solution

The fourth proportional to 203,862.51, 281,337.26 and 113,219.91 is: 156,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,862.51 : 281,337.26 = 113,219.91 : x
  2. Step 2: Convert to fraction form
    203,862.51/281,337.26 = 113,219.91/x
  3. Step 3: Cross multiply
    203,862.51x = 281,337.26 × 113,219.91
  4. Step 4: Simplify right side
    203,862.51x = 31,852,978,690.75
  5. Step 5: Solve for x
    x = 31,852,978,690.75/203,862.51
  6. Step 6: Final answer
    x = 156,247.36

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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.