Home / 156,762.28-235,093.74-51,556.78

Finding the Fourth Proportional to 156,762.28, 235,093.74 and 51,556.78

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Solution

The fourth proportional to 156,762.28, 235,093.74 and 51,556.78 is: 77,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,762.28 : 235,093.74 = 51,556.78 : x
  2. Step 2: Convert to fraction form
    156,762.28/235,093.74 = 51,556.78/x
  3. Step 3: Cross multiply
    156,762.28x = 235,093.74 × 51,556.78
  4. Step 4: Simplify right side
    156,762.28x = 12,120,676,232.56
  5. Step 5: Solve for x
    x = 12,120,676,232.56/156,762.28
  6. Step 6: Final answer
    x = 77,318.83

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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.