Home / 156,790.65-235,185.98-154,198.65

Finding the Fourth Proportional to 156,790.65, 235,185.98 and 154,198.65

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Solution

The fourth proportional to 156,790.65, 235,185.98 and 154,198.65 is: 231,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,790.65 : 235,185.98 = 154,198.65 : x
  2. Step 2: Convert to fraction form
    156,790.65/235,185.98 = 154,198.65/x
  3. Step 3: Cross multiply
    156,790.65x = 235,185.98 × 154,198.65
  4. Step 4: Simplify right side
    156,790.65x = 36,265,359,843.93
  5. Step 5: Solve for x
    x = 36,265,359,843.93/156,790.65
  6. Step 6: Final answer
    x = 231,297.98

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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.