Home / 132,019.56-182,127.96-78,306.84

Finding the Fourth Proportional to 132,019.56, 182,127.96 and 78,306.84

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Solution

The fourth proportional to 132,019.56, 182,127.96 and 78,306.84 is: 108,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,019.56 : 182,127.96 = 78,306.84 : x
  2. Step 2: Convert to fraction form
    132,019.56/182,127.96 = 78,306.84/x
  3. Step 3: Cross multiply
    132,019.56x = 182,127.96 × 78,306.84
  4. Step 4: Simplify right side
    132,019.56x = 14,261,865,023.25
  5. Step 5: Solve for x
    x = 14,261,865,023.25/132,019.56
  6. Step 6: Final answer
    x = 108,028.42

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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.