Home / 126,718.92-174,915.82-73,025.34

Finding the Fourth Proportional to 126,718.92, 174,915.82 and 73,025.34

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Solution

The fourth proportional to 126,718.92, 174,915.82 and 73,025.34 is: 100,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,718.92 : 174,915.82 = 73,025.34 : x
  2. Step 2: Convert to fraction form
    126,718.92/174,915.82 = 73,025.34/x
  3. Step 3: Cross multiply
    126,718.92x = 174,915.82 × 73,025.34
  4. Step 4: Simplify right side
    126,718.92x = 12,773,287,226.88
  5. Step 5: Solve for x
    x = 12,773,287,226.88/126,718.92
  6. Step 6: Final answer
    x = 100,800.16

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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.