Home / 195,923.31-270,123.87-126,890.80

Finding the Fourth Proportional to 195,923.31, 270,123.87 and 126,890.80

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Solution

The fourth proportional to 195,923.31, 270,123.87 and 126,890.80 is: 174,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,923.31 : 270,123.87 = 126,890.80 : x
  2. Step 2: Convert to fraction form
    195,923.31/270,123.87 = 126,890.80/x
  3. Step 3: Cross multiply
    195,923.31x = 270,123.87 × 126,890.80
  4. Step 4: Simplify right side
    195,923.31x = 34,276,234,638.71
  5. Step 5: Solve for x
    x = 34,276,234,638.71/195,923.31
  6. Step 6: Final answer
    x = 174,947.20

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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.