Home / 119,724.96-165,218.44-66,015

Finding the Fourth Proportional to 119,724.96, 165,218.44 and 66,015

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Solution

The fourth proportional to 119,724.96, 165,218.44 and 66,015 is: 91,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724.96 : 165,218.44 = 66,015 : x
  2. Step 2: Convert to fraction form
    119,724.96/165,218.44 = 66,015/x
  3. Step 3: Cross multiply
    119,724.96x = 165,218.44 × 66,015
  4. Step 4: Simplify right side
    119,724.96x = 10,906,895,316.60
  5. Step 5: Solve for x
    x = 10,906,895,316.60/119,724.96
  6. Step 6: Final answer
    x = 91,099.59

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1.5x scale

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.