Home / 126,015.64-173,845.10-85,166.73

Finding the Fourth Proportional to 126,015.64, 173,845.10 and 85,166.73

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Solution

The fourth proportional to 126,015.64, 173,845.10 and 85,166.73 is: 117,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.64 : 173,845.10 = 85,166.73 : x
  2. Step 2: Convert to fraction form
    126,015.64/173,845.10 = 85,166.73/x
  3. Step 3: Cross multiply
    126,015.64x = 173,845.10 × 85,166.73
  4. Step 4: Simplify right side
    126,015.64x = 14,805,818,906.44
  5. Step 5: Solve for x
    x = 14,805,818,906.44/126,015.64
  6. Step 6: Final answer
    x = 117,491.92

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1.5x scale

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.