Home / 107,439.41-161,162.26-51,285.42

Finding the Fourth Proportional to 107,439.41, 161,162.26 and 51,285.42

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Solution

The fourth proportional to 107,439.41, 161,162.26 and 51,285.42 is: 76,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.41 : 161,162.26 = 51,285.42 : x
  2. Step 2: Convert to fraction form
    107,439.41/161,162.26 = 51,285.42/x
  3. Step 3: Cross multiply
    107,439.41x = 161,162.26 × 51,285.42
  4. Step 4: Simplify right side
    107,439.41x = 8,265,274,064.04
  5. Step 5: Solve for x
    x = 8,265,274,064.04/107,439.41
  6. Step 6: Final answer
    x = 76,929.63

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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.