Home / 95,160.62-131,312.11-56,912.50

Finding the Fourth Proportional to 95,160.62, 131,312.11 and 56,912.50

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Solution

The fourth proportional to 95,160.62, 131,312.11 and 56,912.50 is: 78,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.62 : 131,312.11 = 56,912.50 : x
  2. Step 2: Convert to fraction form
    95,160.62/131,312.11 = 56,912.50/x
  3. Step 3: Cross multiply
    95,160.62x = 131,312.11 × 56,912.50
  4. Step 4: Simplify right side
    95,160.62x = 7,473,300,379.70
  5. Step 5: Solve for x
    x = 7,473,300,379.70/95,160.62
  6. Step 6: Final answer
    x = 78,533.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.