Home / 126,021.15-173,832.30-74,999.70

Finding the Fourth Proportional to 126,021.15, 173,832.30 and 74,999.70

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Solution

The fourth proportional to 126,021.15, 173,832.30 and 74,999.70 is: 103,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.15 : 173,832.30 = 74,999.70 : x
  2. Step 2: Convert to fraction form
    126,021.15/173,832.30 = 74,999.70/x
  3. Step 3: Cross multiply
    126,021.15x = 173,832.30 × 74,999.70
  4. Step 4: Simplify right side
    126,021.15x = 13,037,370,350.31
  5. Step 5: Solve for x
    x = 13,037,370,350.31/126,021.15
  6. Step 6: Final answer
    x = 103,453.83

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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.