Home / 126,520.22-174,741.36-86,163.86

Finding the Fourth Proportional to 126,520.22, 174,741.36 and 86,163.86

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Solution

The fourth proportional to 126,520.22, 174,741.36 and 86,163.86 is: 119,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,520.22 : 174,741.36 = 86,163.86 : x
  2. Step 2: Convert to fraction form
    126,520.22/174,741.36 = 86,163.86/x
  3. Step 3: Cross multiply
    126,520.22x = 174,741.36 × 86,163.86
  4. Step 4: Simplify right side
    126,520.22x = 15,056,390,079.25
  5. Step 5: Solve for x
    x = 15,056,390,079.25/126,520.22
  6. Step 6: Final answer
    x = 119,003.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.