Home / 126,581.82-174,682.46-71,386.76

Finding the Fourth Proportional to 126,581.82, 174,682.46 and 71,386.76

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Solution

The fourth proportional to 126,581.82, 174,682.46 and 71,386.76 is: 98,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.82 : 174,682.46 = 71,386.76 : x
  2. Step 2: Convert to fraction form
    126,581.82/174,682.46 = 71,386.76/x
  3. Step 3: Cross multiply
    126,581.82x = 174,682.46 × 71,386.76
  4. Step 4: Simplify right side
    126,581.82x = 12,470,013,617.88
  5. Step 5: Solve for x
    x = 12,470,013,617.88/126,581.82
  6. Step 6: Final answer
    x = 98,513.46

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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.