Home / 154,268.80-231,403.20-112,059.70

Finding the Fourth Proportional to 154,268.80, 231,403.20 and 112,059.70

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Solution

The fourth proportional to 154,268.80, 231,403.20 and 112,059.70 is: 168,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,268.80 : 231,403.20 = 112,059.70 : x
  2. Step 2: Convert to fraction form
    154,268.80/231,403.20 = 112,059.70/x
  3. Step 3: Cross multiply
    154,268.80x = 231,403.20 × 112,059.70
  4. Step 4: Simplify right side
    154,268.80x = 25,930,973,171.04
  5. Step 5: Solve for x
    x = 25,930,973,171.04/154,268.80
  6. Step 6: Final answer
    x = 168,089.55

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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.