Home / 126,004.01-173,885.40-72,286.70

Finding the Fourth Proportional to 126,004.01, 173,885.40 and 72,286.70

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Solution

The fourth proportional to 126,004.01, 173,885.40 and 72,286.70 is: 99,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,004.01 : 173,885.40 = 72,286.70 : x
  2. Step 2: Convert to fraction form
    126,004.01/173,885.40 = 72,286.70/x
  3. Step 3: Cross multiply
    126,004.01x = 173,885.40 × 72,286.70
  4. Step 4: Simplify right side
    126,004.01x = 12,569,600,874.75
  5. Step 5: Solve for x
    x = 12,569,600,874.75/126,004.01
  6. Step 6: Final answer
    x = 99,755.57

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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.