Home / 154,517.60-231,776.40-54,790.40

Finding the Fourth Proportional to 154,517.60, 231,776.40 and 54,790.40

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Solution

The fourth proportional to 154,517.60, 231,776.40 and 54,790.40 is: 82,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,517.60 : 231,776.40 = 54,790.40 : x
  2. Step 2: Convert to fraction form
    154,517.60/231,776.40 = 54,790.40/x
  3. Step 3: Cross multiply
    154,517.60x = 231,776.40 × 54,790.40
  4. Step 4: Simplify right side
    154,517.60x = 12,699,121,666.56
  5. Step 5: Solve for x
    x = 12,699,121,666.56/154,517.60
  6. Step 6: Final answer
    x = 82,185.60

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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.