Home / 131,388.24-196,992.45-47,146.52

Finding the Fourth Proportional to 131,388.24, 196,992.45 and 47,146.52

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Solution

The fourth proportional to 131,388.24, 196,992.45 and 47,146.52 is: 70,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,388.24 : 196,992.45 = 47,146.52 : x
  2. Step 2: Convert to fraction form
    131,388.24/196,992.45 = 47,146.52/x
  3. Step 3: Cross multiply
    131,388.24x = 196,992.45 × 47,146.52
  4. Step 4: Simplify right side
    131,388.24x = 9,287,507,498.81
  5. Step 5: Solve for x
    x = 9,287,507,498.81/131,388.24
  6. Step 6: Final answer
    x = 70,687.51

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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.