Home / 156,729.67-235,127.00-71,299.85

Finding the Fourth Proportional to 156,729.67, 235,127.00 and 71,299.85

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Solution

The fourth proportional to 156,729.67, 235,127.00 and 71,299.85 is: 106,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.67 : 235,127.00 = 71,299.85 : x
  2. Step 2: Convert to fraction form
    156,729.67/235,127.00 = 71,299.85/x
  3. Step 3: Cross multiply
    156,729.67x = 235,127.00 × 71,299.85
  4. Step 4: Simplify right side
    156,729.67x = 16,764,518,833.56
  5. Step 5: Solve for x
    x = 16,764,518,833.56/156,729.67
  6. Step 6: Final answer
    x = 106,964.55

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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.