Home / 131,508.36-197,273.34-42,759.90

Finding the Fourth Proportional to 131,508.36, 197,273.34 and 42,759.90

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Solution

The fourth proportional to 131,508.36, 197,273.34 and 42,759.90 is: 64,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.36 : 197,273.34 = 42,759.90 : x
  2. Step 2: Convert to fraction form
    131,508.36/197,273.34 = 42,759.90/x
  3. Step 3: Cross multiply
    131,508.36x = 197,273.34 × 42,759.90
  4. Step 4: Simplify right side
    131,508.36x = 8,435,388,291.07
  5. Step 5: Solve for x
    x = 8,435,388,291.07/131,508.36
  6. Step 6: Final answer
    x = 64,143.36

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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.