Home / 181,729.20-272,302.20-171,231.60

Finding the Fourth Proportional to 181,729.20, 272,302.20 and 171,231.60

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Solution

The fourth proportional to 181,729.20, 272,302.20 and 171,231.60 is: 256,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,729.20 : 272,302.20 = 171,231.60 : x
  2. Step 2: Convert to fraction form
    181,729.20/272,302.20 = 171,231.60/x
  3. Step 3: Cross multiply
    181,729.20x = 272,302.20 × 171,231.60
  4. Step 4: Simplify right side
    181,729.20x = 46,626,741,389.52
  5. Step 5: Solve for x
    x = 46,626,741,389.52/181,729.20
  6. Step 6: Final answer
    x = 256,572.64

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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.