Home / 132,014.56-182,121.06-78,301.84

Finding the Fourth Proportional to 132,014.56, 182,121.06 and 78,301.84

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Solution

The fourth proportional to 132,014.56, 182,121.06 and 78,301.84 is: 108,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,014.56 : 182,121.06 = 78,301.84 : x
  2. Step 2: Convert to fraction form
    132,014.56/182,121.06 = 78,301.84/x
  3. Step 3: Cross multiply
    132,014.56x = 182,121.06 × 78,301.84
  4. Step 4: Simplify right side
    132,014.56x = 14,260,414,100.75
  5. Step 5: Solve for x
    x = 14,260,414,100.75/132,014.56
  6. Step 6: Final answer
    x = 108,021.53

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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.