Home / 92,449.18-138,752.43-36,328.51

Finding the Fourth Proportional to 92,449.18, 138,752.43 and 36,328.51

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Solution

The fourth proportional to 92,449.18, 138,752.43 and 36,328.51 is: 54,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,449.18 : 138,752.43 = 36,328.51 : x
  2. Step 2: Convert to fraction form
    92,449.18/138,752.43 = 36,328.51/x
  3. Step 3: Cross multiply
    92,449.18x = 138,752.43 × 36,328.51
  4. Step 4: Simplify right side
    92,449.18x = 5,040,669,040.78
  5. Step 5: Solve for x
    x = 5,040,669,040.78/92,449.18
  6. Step 6: Final answer
    x = 54,523.67

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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.