Home / 131,267.37-196,891.54-51,290.30

Finding the Fourth Proportional to 131,267.37, 196,891.54 and 51,290.30

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Solution

The fourth proportional to 131,267.37, 196,891.54 and 51,290.30 is: 76,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,267.37 : 196,891.54 = 51,290.30 : x
  2. Step 2: Convert to fraction form
    131,267.37/196,891.54 = 51,290.30/x
  3. Step 3: Cross multiply
    131,267.37x = 196,891.54 × 51,290.30
  4. Step 4: Simplify right side
    131,267.37x = 10,098,626,154.06
  5. Step 5: Solve for x
    x = 10,098,626,154.06/131,267.37
  6. Step 6: Final answer
    x = 76,931.73

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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.