Home / 230,072.54-345,143.63-72,286.16

Finding the Fourth Proportional to 230,072.54, 345,143.63 and 72,286.16

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Solution

The fourth proportional to 230,072.54, 345,143.63 and 72,286.16 is: 108,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,072.54 : 345,143.63 = 72,286.16 : x
  2. Step 2: Convert to fraction form
    230,072.54/345,143.63 = 72,286.16/x
  3. Step 3: Cross multiply
    230,072.54x = 345,143.63 × 72,286.16
  4. Step 4: Simplify right side
    230,072.54x = 24,949,106,116.16
  5. Step 5: Solve for x
    x = 24,949,106,116.16/230,072.54
  6. Step 6: Final answer
    x = 108,440.18

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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.