Home / 119,008.12-178,512.79-40,123.03

Finding the Fourth Proportional to 119,008.12, 178,512.79 and 40,123.03

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Solution

The fourth proportional to 119,008.12, 178,512.79 and 40,123.03 is: 60,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,008.12 : 178,512.79 = 40,123.03 : x
  2. Step 2: Convert to fraction form
    119,008.12/178,512.79 = 40,123.03/x
  3. Step 3: Cross multiply
    119,008.12x = 178,512.79 × 40,123.03
  4. Step 4: Simplify right side
    119,008.12x = 7,162,473,481.96
  5. Step 5: Solve for x
    x = 7,162,473,481.96/119,008.12
  6. Step 6: Final answer
    x = 60,184.75

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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.