Home / 107,701.44-161,539.80-28,821.81

Finding the Fourth Proportional to 107,701.44, 161,539.80 and 28,821.81

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Solution

The fourth proportional to 107,701.44, 161,539.80 and 28,821.81 is: 43,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,701.44 : 161,539.80 = 28,821.81 : x
  2. Step 2: Convert to fraction form
    107,701.44/161,539.80 = 28,821.81/x
  3. Step 3: Cross multiply
    107,701.44x = 161,539.80 × 28,821.81
  4. Step 4: Simplify right side
    107,701.44x = 4,655,869,423.04
  5. Step 5: Solve for x
    x = 4,655,869,423.04/107,701.44
  6. Step 6: Final answer
    x = 43,229.41

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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.