Home / 178,857.42-268,294.29-126,500.64

Finding the Fourth Proportional to 178,857.42, 268,294.29 and 126,500.64

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Solution

The fourth proportional to 178,857.42, 268,294.29 and 126,500.64 is: 189,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,857.42 : 268,294.29 = 126,500.64 : x
  2. Step 2: Convert to fraction form
    178,857.42/268,294.29 = 126,500.64/x
  3. Step 3: Cross multiply
    178,857.42x = 268,294.29 × 126,500.64
  4. Step 4: Simplify right side
    178,857.42x = 33,939,399,393.35
  5. Step 5: Solve for x
    x = 33,939,399,393.35/178,857.42
  6. Step 6: Final answer
    x = 189,756.73

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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.