Home / 154,435.80-231,653.70-49,265.40

Finding the Fourth Proportional to 154,435.80, 231,653.70 and 49,265.40

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Solution

The fourth proportional to 154,435.80, 231,653.70 and 49,265.40 is: 73,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,435.80 : 231,653.70 = 49,265.40 : x
  2. Step 2: Convert to fraction form
    154,435.80/231,653.70 = 49,265.40/x
  3. Step 3: Cross multiply
    154,435.80x = 231,653.70 × 49,265.40
  4. Step 4: Simplify right side
    154,435.80x = 11,412,512,191.98
  5. Step 5: Solve for x
    x = 11,412,512,191.98/154,435.80
  6. Step 6: Final answer
    x = 73,898.10

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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.