Home / 181,355.46-250,276.61-100,786.38

Finding the Fourth Proportional to 181,355.46, 250,276.61 and 100,786.38

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Solution

The fourth proportional to 181,355.46, 250,276.61 and 100,786.38 is: 139,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.46 : 250,276.61 = 100,786.38 : x
  2. Step 2: Convert to fraction form
    181,355.46/250,276.61 = 100,786.38/x
  3. Step 3: Cross multiply
    181,355.46x = 250,276.61 × 100,786.38
  4. Step 4: Simplify right side
    181,355.46x = 25,224,473,520.57
  5. Step 5: Solve for x
    x = 25,224,473,520.57/181,355.46
  6. Step 6: Final answer
    x = 139,088.58

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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.