Home / 154,191.08-231,488.04-123,812.43

Finding the Fourth Proportional to 154,191.08, 231,488.04 and 123,812.43

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Solution

The fourth proportional to 154,191.08, 231,488.04 and 123,812.43 is: 185,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,191.08 : 231,488.04 = 123,812.43 : x
  2. Step 2: Convert to fraction form
    154,191.08/231,488.04 = 123,812.43/x
  3. Step 3: Cross multiply
    154,191.08x = 231,488.04 × 123,812.43
  4. Step 4: Simplify right side
    154,191.08x = 28,661,096,129.28
  5. Step 5: Solve for x
    x = 28,661,096,129.28/154,191.08
  6. Step 6: Final answer
    x = 185,880.38

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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.