Home / 163,440.56-225,625.20-109,082.72

Finding the Fourth Proportional to 163,440.56, 225,625.20 and 109,082.72

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Solution

The fourth proportional to 163,440.56, 225,625.20 and 109,082.72 is: 150,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,440.56 : 225,625.20 = 109,082.72 : x
  2. Step 2: Convert to fraction form
    163,440.56/225,625.20 = 109,082.72/x
  3. Step 3: Cross multiply
    163,440.56x = 225,625.20 × 109,082.72
  4. Step 4: Simplify right side
    163,440.56x = 24,611,810,516.54
  5. Step 5: Solve for x
    x = 24,611,810,516.54/163,440.56
  6. Step 6: Final answer
    x = 150,585.70

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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.