Home / 132,432.62-182,756.41-78,016.42

Finding the Fourth Proportional to 132,432.62, 182,756.41 and 78,016.42

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Solution

The fourth proportional to 132,432.62, 182,756.41 and 78,016.42 is: 107,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,432.62 : 182,756.41 = 78,016.42 : x
  2. Step 2: Convert to fraction form
    132,432.62/182,756.41 = 78,016.42/x
  3. Step 3: Cross multiply
    132,432.62x = 182,756.41 × 78,016.42
  4. Step 4: Simplify right side
    132,432.62x = 14,258,000,188.32
  5. Step 5: Solve for x
    x = 14,258,000,188.32/132,432.62
  6. Step 6: Final answer
    x = 107,662.30

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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.