Home / 181,449.21-250,385.73-100,871.83

Finding the Fourth Proportional to 181,449.21, 250,385.73 and 100,871.83

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Solution

The fourth proportional to 181,449.21, 250,385.73 and 100,871.83 is: 139,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,449.21 : 250,385.73 = 100,871.83 : x
  2. Step 2: Convert to fraction form
    181,449.21/250,385.73 = 100,871.83/x
  3. Step 3: Cross multiply
    181,449.21x = 250,385.73 × 100,871.83
  4. Step 4: Simplify right side
    181,449.21x = 25,256,867,293.10
  5. Step 5: Solve for x
    x = 25,256,867,293.10/181,449.21
  6. Step 6: Final answer
    x = 139,195.24

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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.