Home / 146,738.25-220,138.95-45,534.29

Finding the Fourth Proportional to 146,738.25, 220,138.95 and 45,534.29

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Solution

The fourth proportional to 146,738.25, 220,138.95 and 45,534.29 is: 68,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.25 : 220,138.95 = 45,534.29 : x
  2. Step 2: Convert to fraction form
    146,738.25/220,138.95 = 45,534.29/x
  3. Step 3: Cross multiply
    146,738.25x = 220,138.95 × 45,534.29
  4. Step 4: Simplify right side
    146,738.25x = 10,023,869,688.90
  5. Step 5: Solve for x
    x = 10,023,869,688.90/146,738.25
  6. Step 6: Final answer
    x = 68,311.23

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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.