Home / 146,738.26-220,138.95-45,534.22

Finding the Fourth Proportional to 146,738.26, 220,138.95 and 45,534.22

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Solution

The fourth proportional to 146,738.26, 220,138.95 and 45,534.22 is: 68,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.26 : 220,138.95 = 45,534.22 : x
  2. Step 2: Convert to fraction form
    146,738.26/220,138.95 = 45,534.22/x
  3. Step 3: Cross multiply
    146,738.26x = 220,138.95 × 45,534.22
  4. Step 4: Simplify right side
    146,738.26x = 10,023,855,379.87
  5. Step 5: Solve for x
    x = 10,023,855,379.87/146,738.26
  6. Step 6: Final answer
    x = 68,311.12

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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.