Home / 126,009.85-188,955.28-45,992.31

Finding the Fourth Proportional to 126,009.85, 188,955.28 and 45,992.31

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Solution

The fourth proportional to 126,009.85, 188,955.28 and 45,992.31 is: 68,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009.85 : 188,955.28 = 45,992.31 : x
  2. Step 2: Convert to fraction form
    126,009.85/188,955.28 = 45,992.31/x
  3. Step 3: Cross multiply
    126,009.85x = 188,955.28 × 45,992.31
  4. Step 4: Simplify right side
    126,009.85x = 8,690,489,162.80
  5. Step 5: Solve for x
    x = 8,690,489,162.80/126,009.85
  6. Step 6: Final answer
    x = 68,966.74

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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.