Home / 119,722.41-165,245.72-71,966.53

Finding the Fourth Proportional to 119,722.41, 165,245.72 and 71,966.53

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Solution

The fourth proportional to 119,722.41, 165,245.72 and 71,966.53 is: 99,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,722.41 : 165,245.72 = 71,966.53 : x
  2. Step 2: Convert to fraction form
    119,722.41/165,245.72 = 71,966.53/x
  3. Step 3: Cross multiply
    119,722.41x = 165,245.72 × 71,966.53
  4. Step 4: Simplify right side
    119,722.41x = 11,892,160,912.48
  5. Step 5: Solve for x
    x = 11,892,160,912.48/119,722.41
  6. Step 6: Final answer
    x = 99,331.12

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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.