Home / 126,249.40-174,232.62-72,551.80

Finding the Fourth Proportional to 126,249.40, 174,232.62 and 72,551.80

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Solution

The fourth proportional to 126,249.40, 174,232.62 and 72,551.80 is: 100,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.40 : 174,232.62 = 72,551.80 : x
  2. Step 2: Convert to fraction form
    126,249.40/174,232.62 = 72,551.80/x
  3. Step 3: Cross multiply
    126,249.40x = 174,232.62 × 72,551.80
  4. Step 4: Simplify right side
    126,249.40x = 12,640,890,199.72
  5. Step 5: Solve for x
    x = 12,640,890,199.72/126,249.40
  6. Step 6: Final answer
    x = 100,126.34

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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.