Home / 156,739.20-235,144.26-51,559.08

Finding the Fourth Proportional to 156,739.20, 235,144.26 and 51,559.08

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Solution

The fourth proportional to 156,739.20, 235,144.26 and 51,559.08 is: 77,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.20 : 235,144.26 = 51,559.08 : x
  2. Step 2: Convert to fraction form
    156,739.20/235,144.26 = 51,559.08/x
  3. Step 3: Cross multiply
    156,739.20x = 235,144.26 × 51,559.08
  4. Step 4: Simplify right side
    156,739.20x = 12,123,821,712.88
  5. Step 5: Solve for x
    x = 12,123,821,712.88/156,739.20
  6. Step 6: Final answer
    x = 77,350.28

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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.