Home / 159,946.26-220,797.68-105,530.46

Finding the Fourth Proportional to 159,946.26, 220,797.68 and 105,530.46

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Solution

The fourth proportional to 159,946.26, 220,797.68 and 105,530.46 is: 145,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,946.26 : 220,797.68 = 105,530.46 : x
  2. Step 2: Convert to fraction form
    159,946.26/220,797.68 = 105,530.46/x
  3. Step 3: Cross multiply
    159,946.26x = 220,797.68 × 105,530.46
  4. Step 4: Simplify right side
    159,946.26x = 23,300,880,737.33
  5. Step 5: Solve for x
    x = 23,300,880,737.33/159,946.26
  6. Step 6: Final answer
    x = 145,679.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.