Home / 126,664.22-189,996.51-31,894.43

Finding the Fourth Proportional to 126,664.22, 189,996.51 and 31,894.43

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Solution

The fourth proportional to 126,664.22, 189,996.51 and 31,894.43 is: 47,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,664.22 : 189,996.51 = 31,894.43 : x
  2. Step 2: Convert to fraction form
    126,664.22/189,996.51 = 31,894.43/x
  3. Step 3: Cross multiply
    126,664.22x = 189,996.51 × 31,894.43
  4. Step 4: Simplify right side
    126,664.22x = 6,059,829,438.46
  5. Step 5: Solve for x
    x = 6,059,829,438.46/126,664.22
  6. Step 6: Final answer
    x = 47,841.68

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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.