Home / 131,129.64-196,689.21-37,635.36

Finding the Fourth Proportional to 131,129.64, 196,689.21 and 37,635.36

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Solution

The fourth proportional to 131,129.64, 196,689.21 and 37,635.36 is: 56,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,129.64 : 196,689.21 = 37,635.36 : x
  2. Step 2: Convert to fraction form
    131,129.64/196,689.21 = 37,635.36/x
  3. Step 3: Cross multiply
    131,129.64x = 196,689.21 × 37,635.36
  4. Step 4: Simplify right side
    131,129.64x = 7,402,469,226.47
  5. Step 5: Solve for x
    x = 7,402,469,226.47/131,129.64
  6. Step 6: Final answer
    x = 56,451.53

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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.