Home / 154,350.66-231,567.56-79,429.97

Finding the Fourth Proportional to 154,350.66, 231,567.56 and 79,429.97

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Solution

The fourth proportional to 154,350.66, 231,567.56 and 79,429.97 is: 119,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,350.66 : 231,567.56 = 79,429.97 : x
  2. Step 2: Convert to fraction form
    154,350.66/231,567.56 = 79,429.97/x
  3. Step 3: Cross multiply
    154,350.66x = 231,567.56 × 79,429.97
  4. Step 4: Simplify right side
    154,350.66x = 18,393,403,520.84
  5. Step 5: Solve for x
    x = 18,393,403,520.84/154,350.66
  6. Step 6: Final answer
    x = 119,166.34

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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.