Home / 181,471.04-250,438.32-100,906.72

Finding the Fourth Proportional to 181,471.04, 250,438.32 and 100,906.72

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Solution

The fourth proportional to 181,471.04, 250,438.32 and 100,906.72 is: 139,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,471.04 : 250,438.32 = 100,906.72 : x
  2. Step 2: Convert to fraction form
    181,471.04/250,438.32 = 100,906.72/x
  3. Step 3: Cross multiply
    181,471.04x = 250,438.32 × 100,906.72
  4. Step 4: Simplify right side
    181,471.04x = 25,270,909,433.51
  5. Step 5: Solve for x
    x = 25,270,909,433.51/181,471.04
  6. Step 6: Final answer
    x = 139,255.88

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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.