Home / 181,440.22-250,396.04-100,869.09

Finding the Fourth Proportional to 181,440.22, 250,396.04 and 100,869.09

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Solution

The fourth proportional to 181,440.22, 250,396.04 and 100,869.09 is: 139,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,440.22 : 250,396.04 = 100,869.09 : x
  2. Step 2: Convert to fraction form
    181,440.22/250,396.04 = 100,869.09/x
  3. Step 3: Cross multiply
    181,440.22x = 250,396.04 × 100,869.09
  4. Step 4: Simplify right side
    181,440.22x = 25,257,220,007.59
  5. Step 5: Solve for x
    x = 25,257,220,007.59/181,440.22
  6. Step 6: Final answer
    x = 139,204.09

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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.