Home / 126,617.29-174,712.44-72,891.92

Finding the Fourth Proportional to 126,617.29, 174,712.44 and 72,891.92

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Solution

The fourth proportional to 126,617.29, 174,712.44 and 72,891.92 is: 100,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,617.29 : 174,712.44 = 72,891.92 : x
  2. Step 2: Convert to fraction form
    126,617.29/174,712.44 = 72,891.92/x
  3. Step 3: Cross multiply
    126,617.29x = 174,712.44 × 72,891.92
  4. Step 4: Simplify right side
    126,617.29x = 12,735,125,199.48
  5. Step 5: Solve for x
    x = 12,735,125,199.48/126,617.29
  6. Step 6: Final answer
    x = 100,579.67

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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.