Home / 107,539.20-161,123.52-83,893.44

Finding the Fourth Proportional to 107,539.20, 161,123.52 and 83,893.44

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Solution

The fourth proportional to 107,539.20, 161,123.52 and 83,893.44 is: 125,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.20 : 161,123.52 = 83,893.44 : x
  2. Step 2: Convert to fraction form
    107,539.20/161,123.52 = 83,893.44/x
  3. Step 3: Cross multiply
    107,539.20x = 161,123.52 × 83,893.44
  4. Step 4: Simplify right side
    107,539.20x = 13,517,206,357.71
  5. Step 5: Solve for x
    x = 13,517,206,357.71/107,539.20
  6. Step 6: Final answer
    x = 125,695.62

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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.