Home / 236,245.10-354,439.20-84,422.30

Finding the Fourth Proportional to 236,245.10, 354,439.20 and 84,422.30

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Solution

The fourth proportional to 236,245.10, 354,439.20 and 84,422.30 is: 126,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,245.10 : 354,439.20 = 84,422.30 : x
  2. Step 2: Convert to fraction form
    236,245.10/354,439.20 = 84,422.30/x
  3. Step 3: Cross multiply
    236,245.10x = 354,439.20 × 84,422.30
  4. Step 4: Simplify right side
    236,245.10x = 29,922,572,474.16
  5. Step 5: Solve for x
    x = 29,922,572,474.16/236,245.10
  6. Step 6: Final answer
    x = 126,659.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.