Home / 121,609.46-182,414.80-54,971.57

Finding the Fourth Proportional to 121,609.46, 182,414.80 and 54,971.57

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Solution

The fourth proportional to 121,609.46, 182,414.80 and 54,971.57 is: 82,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,609.46 : 182,414.80 = 54,971.57 : x
  2. Step 2: Convert to fraction form
    121,609.46/182,414.80 = 54,971.57/x
  3. Step 3: Cross multiply
    121,609.46x = 182,414.80 × 54,971.57
  4. Step 4: Simplify right side
    121,609.46x = 10,027,628,471.99
  5. Step 5: Solve for x
    x = 10,027,628,471.99/121,609.46
  6. Step 6: Final answer
    x = 82,457.63

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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.