Home / 126,865.30-190,589.67-89,511.46

Finding the Fourth Proportional to 126,865.30, 190,589.67 and 89,511.46

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Solution

The fourth proportional to 126,865.30, 190,589.67 and 89,511.46 is: 134,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,865.30 : 190,589.67 = 89,511.46 : x
  2. Step 2: Convert to fraction form
    126,865.30/190,589.67 = 89,511.46/x
  3. Step 3: Cross multiply
    126,865.30x = 190,589.67 × 89,511.46
  4. Step 4: Simplify right side
    126,865.30x = 17,059,959,622.62
  5. Step 5: Solve for x
    x = 17,059,959,622.62/126,865.30
  6. Step 6: Final answer
    x = 134,473.02

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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.