Home / 154,419.80-231,608.10-49,249.40

Finding the Fourth Proportional to 154,419.80, 231,608.10 and 49,249.40

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Solution

The fourth proportional to 154,419.80, 231,608.10 and 49,249.40 is: 73,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,419.80 : 231,608.10 = 49,249.40 : x
  2. Step 2: Convert to fraction form
    154,419.80/231,608.10 = 49,249.40/x
  3. Step 3: Cross multiply
    154,419.80x = 231,608.10 × 49,249.40
  4. Step 4: Simplify right side
    154,419.80x = 11,406,559,960.14
  5. Step 5: Solve for x
    x = 11,406,559,960.14/154,419.80
  6. Step 6: Final answer
    x = 73,867.21

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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.