Home / 154,360.80-231,559.20-49,190.40

Finding the Fourth Proportional to 154,360.80, 231,559.20 and 49,190.40

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Solution

The fourth proportional to 154,360.80, 231,559.20 and 49,190.40 is: 73,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.80 : 231,559.20 = 49,190.40 : x
  2. Step 2: Convert to fraction form
    154,360.80/231,559.20 = 49,190.40/x
  3. Step 3: Cross multiply
    154,360.80x = 231,559.20 × 49,190.40
  4. Step 4: Simplify right side
    154,360.80x = 11,390,489,671.68
  5. Step 5: Solve for x
    x = 11,390,489,671.68/154,360.80
  6. Step 6: Final answer
    x = 73,791.34

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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.