Home / 131,260.03-196,921.41-42,513.64

Finding the Fourth Proportional to 131,260.03, 196,921.41 and 42,513.64

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Solution

The fourth proportional to 131,260.03, 196,921.41 and 42,513.64 is: 63,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,260.03 : 196,921.41 = 42,513.64 : x
  2. Step 2: Convert to fraction form
    131,260.03/196,921.41 = 42,513.64/x
  3. Step 3: Cross multiply
    131,260.03x = 196,921.41 × 42,513.64
  4. Step 4: Simplify right side
    131,260.03x = 8,371,844,735.86
  5. Step 5: Solve for x
    x = 8,371,844,735.86/131,260.03
  6. Step 6: Final answer
    x = 63,780.61

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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.