Home / 74,234.08-111,357.60-18,830.08

Finding the Fourth Proportional to 74,234.08, 111,357.60 and 18,830.08

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Solution

The fourth proportional to 74,234.08, 111,357.60 and 18,830.08 is: 28,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.08 : 111,357.60 = 18,830.08 : x
  2. Step 2: Convert to fraction form
    74,234.08/111,357.60 = 18,830.08/x
  3. Step 3: Cross multiply
    74,234.08x = 111,357.60 × 18,830.08
  4. Step 4: Simplify right side
    74,234.08x = 2,096,872,516.61
  5. Step 5: Solve for x
    x = 2,096,872,516.61/74,234.08
  6. Step 6: Final answer
    x = 28,246.76

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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.