Home / 181,216.71-250,072.20-100,649.43

Finding the Fourth Proportional to 181,216.71, 250,072.20 and 100,649.43

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Solution

The fourth proportional to 181,216.71, 250,072.20 and 100,649.43 is: 138,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,216.71 : 250,072.20 = 100,649.43 : x
  2. Step 2: Convert to fraction form
    181,216.71/250,072.20 = 100,649.43/x
  3. Step 3: Cross multiply
    181,216.71x = 250,072.20 × 100,649.43
  4. Step 4: Simplify right side
    181,216.71x = 25,169,624,388.85
  5. Step 5: Solve for x
    x = 25,169,624,388.85/181,216.71
  6. Step 6: Final answer
    x = 138,892.40

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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.