Home / 154,461.80-231,671.10-49,291.40

Finding the Fourth Proportional to 154,461.80, 231,671.10 and 49,291.40

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Solution

The fourth proportional to 154,461.80, 231,671.10 and 49,291.40 is: 73,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,461.80 : 231,671.10 = 49,291.40 : x
  2. Step 2: Convert to fraction form
    154,461.80/231,671.10 = 49,291.40/x
  3. Step 3: Cross multiply
    154,461.80x = 231,671.10 × 49,291.40
  4. Step 4: Simplify right side
    154,461.80x = 11,419,392,858.54
  5. Step 5: Solve for x
    x = 11,419,392,858.54/154,461.80
  6. Step 6: Final answer
    x = 73,930.21

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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.