Home / 181,484.12-250,433.84-100,906.74

Finding the Fourth Proportional to 181,484.12, 250,433.84 and 100,906.74

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Solution

The fourth proportional to 181,484.12, 250,433.84 and 100,906.74 is: 139,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,484.12 : 250,433.84 = 100,906.74 : x
  2. Step 2: Convert to fraction form
    181,484.12/250,433.84 = 100,906.74/x
  3. Step 3: Cross multiply
    181,484.12x = 250,433.84 × 100,906.74
  4. Step 4: Simplify right side
    181,484.12x = 25,270,462,632.35
  5. Step 5: Solve for x
    x = 25,270,462,632.35/181,484.12
  6. Step 6: Final answer
    x = 139,243.38

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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.