Home / 126,351.82-189,526.80-51,454.36

Finding the Fourth Proportional to 126,351.82, 189,526.80 and 51,454.36

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Solution

The fourth proportional to 126,351.82, 189,526.80 and 51,454.36 is: 77,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351.82 : 189,526.80 = 51,454.36 : x
  2. Step 2: Convert to fraction form
    126,351.82/189,526.80 = 51,454.36/x
  3. Step 3: Cross multiply
    126,351.82x = 189,526.80 × 51,454.36
  4. Step 4: Simplify right side
    126,351.82x = 9,751,980,196.85
  5. Step 5: Solve for x
    x = 9,751,980,196.85/126,351.82
  6. Step 6: Final answer
    x = 77,181.16

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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.