Home / 90,267.76-135,305.62-34,083.96

Finding the Fourth Proportional to 90,267.76, 135,305.62 and 34,083.96

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Solution

The fourth proportional to 90,267.76, 135,305.62 and 34,083.96 is: 51,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.76 : 135,305.62 = 34,083.96 : x
  2. Step 2: Convert to fraction form
    90,267.76/135,305.62 = 34,083.96/x
  3. Step 3: Cross multiply
    90,267.76x = 135,305.62 × 34,083.96
  4. Step 4: Simplify right side
    90,267.76x = 4,611,751,339.86
  5. Step 5: Solve for x
    x = 4,611,751,339.86/90,267.76
  6. Step 6: Final answer
    x = 51,089.68

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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.