Home / 154,127.75-231,191.64-43,319.75

Finding the Fourth Proportional to 154,127.75, 231,191.64 and 43,319.75

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Solution

The fourth proportional to 154,127.75, 231,191.64 and 43,319.75 is: 64,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,127.75 : 231,191.64 = 43,319.75 : x
  2. Step 2: Convert to fraction form
    154,127.75/231,191.64 = 43,319.75/x
  3. Step 3: Cross multiply
    154,127.75x = 231,191.64 × 43,319.75
  4. Step 4: Simplify right side
    154,127.75x = 10,015,164,046.89
  5. Step 5: Solve for x
    x = 10,015,164,046.89/154,127.75
  6. Step 6: Final answer
    x = 64,979.63

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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.