Home / 181,479.20-272,183.28-172,477.64

Finding the Fourth Proportional to 181,479.20, 272,183.28 and 172,477.64

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Solution

The fourth proportional to 181,479.20, 272,183.28 and 172,477.64 is: 258,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,479.20 : 272,183.28 = 172,477.64 : x
  2. Step 2: Convert to fraction form
    181,479.20/272,183.28 = 172,477.64/x
  3. Step 3: Cross multiply
    181,479.20x = 272,183.28 × 172,477.64
  4. Step 4: Simplify right side
    181,479.20x = 46,945,529,781.86
  5. Step 5: Solve for x
    x = 46,945,529,781.86/181,479.20
  6. Step 6: Final answer
    x = 258,682.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.