Home / 126,948.40-175,119.23-80,922.58

Finding the Fourth Proportional to 126,948.40, 175,119.23 and 80,922.58

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Solution

The fourth proportional to 126,948.40, 175,119.23 and 80,922.58 is: 111,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,948.40 : 175,119.23 = 80,922.58 : x
  2. Step 2: Convert to fraction form
    126,948.40/175,119.23 = 80,922.58/x
  3. Step 3: Cross multiply
    126,948.40x = 175,119.23 × 80,922.58
  4. Step 4: Simplify right side
    126,948.40x = 14,171,099,663.72
  5. Step 5: Solve for x
    x = 14,171,099,663.72/126,948.40
  6. Step 6: Final answer
    x = 111,628.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.