Home / 92,378.72-138,570.66-30,049.22

Finding the Fourth Proportional to 92,378.72, 138,570.66 and 30,049.22

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Solution

The fourth proportional to 92,378.72, 138,570.66 and 30,049.22 is: 45,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.72 : 138,570.66 = 30,049.22 : x
  2. Step 2: Convert to fraction form
    92,378.72/138,570.66 = 30,049.22/x
  3. Step 3: Cross multiply
    92,378.72x = 138,570.66 × 30,049.22
  4. Step 4: Simplify right side
    92,378.72x = 4,163,940,594.31
  5. Step 5: Solve for x
    x = 4,163,940,594.31/92,378.72
  6. Step 6: Final answer
    x = 45,074.67

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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.