Home / 135,616.32-203,396.68-51,347.41

Finding the Fourth Proportional to 135,616.32, 203,396.68 and 51,347.41

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Solution

The fourth proportional to 135,616.32, 203,396.68 and 51,347.41 is: 77,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,616.32 : 203,396.68 = 51,347.41 : x
  2. Step 2: Convert to fraction form
    135,616.32/203,396.68 = 51,347.41/x
  3. Step 3: Cross multiply
    135,616.32x = 203,396.68 × 51,347.41
  4. Step 4: Simplify right side
    135,616.32x = 10,443,892,083.74
  5. Step 5: Solve for x
    x = 10,443,892,083.74/135,616.32
  6. Step 6: Final answer
    x = 77,010.58

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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.