Home / 92,169.69-138,262.02-25,609.81

Finding the Fourth Proportional to 92,169.69, 138,262.02 and 25,609.81

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Solution

The fourth proportional to 92,169.69, 138,262.02 and 25,609.81 is: 38,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,169.69 : 138,262.02 = 25,609.81 : x
  2. Step 2: Convert to fraction form
    92,169.69/138,262.02 = 25,609.81/x
  3. Step 3: Cross multiply
    92,169.69x = 138,262.02 × 25,609.81
  4. Step 4: Simplify right side
    92,169.69x = 3,540,864,062.42
  5. Step 5: Solve for x
    x = 3,540,864,062.42/92,169.69
  6. Step 6: Final answer
    x = 38,416.79

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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.