Home / 154,252.80-231,379.20-84,268.80

Finding the Fourth Proportional to 154,252.80, 231,379.20 and 84,268.80

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Solution

The fourth proportional to 154,252.80, 231,379.20 and 84,268.80 is: 126,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,252.80 : 231,379.20 = 84,268.80 : x
  2. Step 2: Convert to fraction form
    154,252.80/231,379.20 = 84,268.80/x
  3. Step 3: Cross multiply
    154,252.80x = 231,379.20 × 84,268.80
  4. Step 4: Simplify right side
    154,252.80x = 19,498,047,528.96
  5. Step 5: Solve for x
    x = 19,498,047,528.96/154,252.80
  6. Step 6: Final answer
    x = 126,403.20

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1.5x scale

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.