Home / 126,611.58-189,847.29-51,784.26

Finding the Fourth Proportional to 126,611.58, 189,847.29 and 51,784.26

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Solution

The fourth proportional to 126,611.58, 189,847.29 and 51,784.26 is: 77,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,611.58 : 189,847.29 = 51,784.26 : x
  2. Step 2: Convert to fraction form
    126,611.58/189,847.29 = 51,784.26/x
  3. Step 3: Cross multiply
    126,611.58x = 189,847.29 × 51,784.26
  4. Step 4: Simplify right side
    126,611.58x = 9,831,101,425.66
  5. Step 5: Solve for x
    x = 9,831,101,425.66/126,611.58
  6. Step 6: Final answer
    x = 77,647.73

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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.