Home / 154,376.58-231,532.47-43,542.66

Finding the Fourth Proportional to 154,376.58, 231,532.47 and 43,542.66

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Solution

The fourth proportional to 154,376.58, 231,532.47 and 43,542.66 is: 65,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,376.58 : 231,532.47 = 43,542.66 : x
  2. Step 2: Convert to fraction form
    154,376.58/231,532.47 = 43,542.66/x
  3. Step 3: Cross multiply
    154,376.58x = 231,532.47 × 43,542.66
  4. Step 4: Simplify right side
    154,376.58x = 10,081,539,620.17
  5. Step 5: Solve for x
    x = 10,081,539,620.17/154,376.58
  6. Step 6: Final answer
    x = 65,304.85

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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.