Home / 126,583.82-174,685.22-71,388.76

Finding the Fourth Proportional to 126,583.82, 174,685.22 and 71,388.76

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Solution

The fourth proportional to 126,583.82, 174,685.22 and 71,388.76 is: 98,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.82 : 174,685.22 = 71,388.76 : x
  2. Step 2: Convert to fraction form
    126,583.82/174,685.22 = 71,388.76/x
  3. Step 3: Cross multiply
    126,583.82x = 174,685.22 × 71,388.76
  4. Step 4: Simplify right side
    126,583.82x = 12,470,561,246.13
  5. Step 5: Solve for x
    x = 12,470,561,246.13/126,583.82
  6. Step 6: Final answer
    x = 98,516.23

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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.