Home / 254,234.15-381,506.90-102,403.35

Finding the Fourth Proportional to 254,234.15, 381,506.90 and 102,403.35

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Solution

The fourth proportional to 254,234.15, 381,506.90 and 102,403.35 is: 153,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,234.15 : 381,506.90 = 102,403.35 : x
  2. Step 2: Convert to fraction form
    254,234.15/381,506.90 = 102,403.35/x
  3. Step 3: Cross multiply
    254,234.15x = 381,506.90 × 102,403.35
  4. Step 4: Simplify right side
    254,234.15x = 39,067,584,096.10
  5. Step 5: Solve for x
    x = 39,067,584,096.10/254,234.15
  6. Step 6: Final answer
    x = 153,667.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.