Home / 131,855.23-197,782.85-87,568.48

Finding the Fourth Proportional to 131,855.23, 197,782.85 and 87,568.48

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Solution

The fourth proportional to 131,855.23, 197,782.85 and 87,568.48 is: 131,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.23 : 197,782.85 = 87,568.48 : x
  2. Step 2: Convert to fraction form
    131,855.23/197,782.85 = 87,568.48/x
  3. Step 3: Cross multiply
    131,855.23x = 197,782.85 × 87,568.48
  4. Step 4: Simplify right side
    131,855.23x = 17,319,543,544.57
  5. Step 5: Solve for x
    x = 17,319,543,544.57/131,855.23
  6. Step 6: Final answer
    x = 131,352.72

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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.