Home / 126,519.22-174,739.98-86,162.86

Finding the Fourth Proportional to 126,519.22, 174,739.98 and 86,162.86

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Solution

The fourth proportional to 126,519.22, 174,739.98 and 86,162.86 is: 119,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,519.22 : 174,739.98 = 86,162.86 : x
  2. Step 2: Convert to fraction form
    126,519.22/174,739.98 = 86,162.86/x
  3. Step 3: Cross multiply
    126,519.22x = 174,739.98 × 86,162.86
  4. Step 4: Simplify right side
    126,519.22x = 15,056,096,433.14
  5. Step 5: Solve for x
    x = 15,056,096,433.14/126,519.22
  6. Step 6: Final answer
    x = 119,002.44

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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.