Home / 236,243.10-354,436.20-84,420.30

Finding the Fourth Proportional to 236,243.10, 354,436.20 and 84,420.30

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Solution

The fourth proportional to 236,243.10, 354,436.20 and 84,420.30 is: 126,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,243.10 : 354,436.20 = 84,420.30 : x
  2. Step 2: Convert to fraction form
    236,243.10/354,436.20 = 84,420.30/x
  3. Step 3: Cross multiply
    236,243.10x = 354,436.20 × 84,420.30
  4. Step 4: Simplify right side
    236,243.10x = 29,921,610,334.86
  5. Step 5: Solve for x
    x = 29,921,610,334.86/236,243.10
  6. Step 6: Final answer
    x = 126,656.02

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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.