Home / 126,790.22-175,009.38-73,110.98

Finding the Fourth Proportional to 126,790.22, 175,009.38 and 73,110.98

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Solution

The fourth proportional to 126,790.22, 175,009.38 and 73,110.98 is: 100,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.22 : 175,009.38 = 73,110.98 : x
  2. Step 2: Convert to fraction form
    126,790.22/175,009.38 = 73,110.98/x
  3. Step 3: Cross multiply
    126,790.22x = 175,009.38 × 73,110.98
  4. Step 4: Simplify right side
    126,790.22x = 12,795,107,280.99
  5. Step 5: Solve for x
    x = 12,795,107,280.99/126,790.22
  6. Step 6: Final answer
    x = 100,915.57

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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.