Home / 137,050.80-205,576.20-131,145.90

Finding the Fourth Proportional to 137,050.80, 205,576.20 and 131,145.90

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Solution

The fourth proportional to 137,050.80, 205,576.20 and 131,145.90 is: 196,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,050.80 : 205,576.20 = 131,145.90 : x
  2. Step 2: Convert to fraction form
    137,050.80/205,576.20 = 131,145.90/x
  3. Step 3: Cross multiply
    137,050.80x = 205,576.20 × 131,145.90
  4. Step 4: Simplify right side
    137,050.80x = 26,960,475,767.58
  5. Step 5: Solve for x
    x = 26,960,475,767.58/137,050.80
  6. Step 6: Final answer
    x = 196,718.85

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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.