Home / 451,162.95-676,744.92-135,619.83

Finding the Fourth Proportional to 451,162.95, 676,744.92 and 135,619.83

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Solution

The fourth proportional to 451,162.95, 676,744.92 and 135,619.83 is: 203,429.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,162.95 : 676,744.92 = 135,619.83 : x
  2. Step 2: Convert to fraction form
    451,162.95/676,744.92 = 135,619.83/x
  3. Step 3: Cross multiply
    451,162.95x = 676,744.92 × 135,619.83
  4. Step 4: Simplify right side
    451,162.95x = 91,780,031,003.76
  5. Step 5: Solve for x
    x = 91,780,031,003.76/451,162.95
  6. Step 6: Final answer
    x = 203,429.89

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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.