Home / 126,584.82-174,686.60-71,389.76

Finding the Fourth Proportional to 126,584.82, 174,686.60 and 71,389.76

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Solution

The fourth proportional to 126,584.82, 174,686.60 and 71,389.76 is: 98,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,584.82 : 174,686.60 = 71,389.76 : x
  2. Step 2: Convert to fraction form
    126,584.82/174,686.60 = 71,389.76/x
  3. Step 3: Cross multiply
    126,584.82x = 174,686.60 × 71,389.76
  4. Step 4: Simplify right side
    126,584.82x = 12,470,834,449.22
  5. Step 5: Solve for x
    x = 12,470,834,449.22/126,584.82
  6. Step 6: Final answer
    x = 98,517.61

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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.