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Finding the Fourth Proportional to 116,613, 174,919.91 and 32,379.75

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Solution

The fourth proportional to 116,613, 174,919.91 and 32,379.75 is: 48,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,613 : 174,919.91 = 32,379.75 : x
  2. Step 2: Convert to fraction form
    116,613/174,919.91 = 32,379.75/x
  3. Step 3: Cross multiply
    116,613x = 174,919.91 × 32,379.75
  4. Step 4: Simplify right side
    116,613x = 5,663,862,793.92
  5. Step 5: Solve for x
    x = 5,663,862,793.92/116,613
  6. Step 6: Final answer
    x = 48,569.74

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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.