Home / 107,947.60-161,921.40-37,817.80

Finding the Fourth Proportional to 107,947.60, 161,921.40 and 37,817.80

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Solution

The fourth proportional to 107,947.60, 161,921.40 and 37,817.80 is: 56,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,947.60 : 161,921.40 = 37,817.80 : x
  2. Step 2: Convert to fraction form
    107,947.60/161,921.40 = 37,817.80/x
  3. Step 3: Cross multiply
    107,947.60x = 161,921.40 × 37,817.80
  4. Step 4: Simplify right side
    107,947.60x = 6,123,511,120.92
  5. Step 5: Solve for x
    x = 6,123,511,120.92/107,947.60
  6. Step 6: Final answer
    x = 56,726.70

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1.5x scale

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.