Home / 130,761.44-196,122.72-47,636

Finding the Fourth Proportional to 130,761.44, 196,122.72 and 47,636

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Solution

The fourth proportional to 130,761.44, 196,122.72 and 47,636 is: 71,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,761.44 : 196,122.72 = 47,636 : x
  2. Step 2: Convert to fraction form
    130,761.44/196,122.72 = 47,636/x
  3. Step 3: Cross multiply
    130,761.44x = 196,122.72 × 47,636
  4. Step 4: Simplify right side
    130,761.44x = 9,342,501,889.92
  5. Step 5: Solve for x
    x = 9,342,501,889.92/130,761.44
  6. Step 6: Final answer
    x = 71,446.92

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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.