Home / 130,906.26-196,353.92-42,157.80

Finding the Fourth Proportional to 130,906.26, 196,353.92 and 42,157.80

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Solution

The fourth proportional to 130,906.26, 196,353.92 and 42,157.80 is: 63,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,906.26 : 196,353.92 = 42,157.80 : x
  2. Step 2: Convert to fraction form
    130,906.26/196,353.92 = 42,157.80/x
  3. Step 3: Cross multiply
    130,906.26x = 196,353.92 × 42,157.80
  4. Step 4: Simplify right side
    130,906.26x = 8,277,849,288.58
  5. Step 5: Solve for x
    x = 8,277,849,288.58/130,906.26
  6. Step 6: Final answer
    x = 63,234.94

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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.