Home / 135,808.86-203,724.18-51,609.36

Finding the Fourth Proportional to 135,808.86, 203,724.18 and 51,609.36

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Solution

The fourth proportional to 135,808.86, 203,724.18 and 51,609.36 is: 77,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,808.86 : 203,724.18 = 51,609.36 : x
  2. Step 2: Convert to fraction form
    135,808.86/203,724.18 = 51,609.36/x
  3. Step 3: Cross multiply
    135,808.86x = 203,724.18 × 51,609.36
  4. Step 4: Simplify right side
    135,808.86x = 10,514,074,546.32
  5. Step 5: Solve for x
    x = 10,514,074,546.32/135,808.86
  6. Step 6: Final answer
    x = 77,418.18

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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.