Home / 180,134.42-248,456.58-126,431.42

Finding the Fourth Proportional to 180,134.42, 248,456.58 and 126,431.42

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Solution

The fourth proportional to 180,134.42, 248,456.58 and 126,431.42 is: 174,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,134.42 : 248,456.58 = 126,431.42 : x
  2. Step 2: Convert to fraction form
    180,134.42/248,456.58 = 126,431.42/x
  3. Step 3: Cross multiply
    180,134.42x = 248,456.58 × 126,431.42
  4. Step 4: Simplify right side
    180,134.42x = 31,412,718,217.74
  5. Step 5: Solve for x
    x = 31,412,718,217.74/180,134.42
  6. Step 6: Final answer
    x = 174,384.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.