Home / 92,491.92-138,757.32-30,206.16

Finding the Fourth Proportional to 92,491.92, 138,757.32 and 30,206.16

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Solution

The fourth proportional to 92,491.92, 138,757.32 and 30,206.16 is: 45,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.92 : 138,757.32 = 30,206.16 : x
  2. Step 2: Convert to fraction form
    92,491.92/138,757.32 = 30,206.16/x
  3. Step 3: Cross multiply
    92,491.92x = 138,757.32 × 30,206.16
  4. Step 4: Simplify right side
    92,491.92x = 4,191,325,809.09
  5. Step 5: Solve for x
    x = 4,191,325,809.09/92,491.92
  6. Step 6: Final answer
    x = 45,315.59

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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.