Home / 156,945.90-235,447.05-57,245.96

Finding the Fourth Proportional to 156,945.90, 235,447.05 and 57,245.96

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Solution

The fourth proportional to 156,945.90, 235,447.05 and 57,245.96 is: 85,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.90 : 235,447.05 = 57,245.96 : x
  2. Step 2: Convert to fraction form
    156,945.90/235,447.05 = 57,245.96/x
  3. Step 3: Cross multiply
    156,945.90x = 235,447.05 × 57,245.96
  4. Step 4: Simplify right side
    156,945.90x = 13,478,392,406.42
  5. Step 5: Solve for x
    x = 13,478,392,406.42/156,945.90
  6. Step 6: Final answer
    x = 85,879.23

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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.